SSC JE (Electrical) 2023 Official Paper-I (Held On: 10 Oct, 2023 Shift 2) (English)

SSC JE (Electrical) 2023 Official Paper-I (Held On: 10 Oct, 2023 Shift 2) (English) with official questions, answers, and practice mock test.

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Section 1

General Intelligence and Reasoning

48 questions Section Test

Select the correct option that indicates the arrangement of the following words in a logical and meaningful order. 1. World 2. India 3. Bangalore 4. Asia 5. Karnataka

MCQ

Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some apartments are bungalows. Some bungalows are flats. Conclusions: I. Some apartments are flats. II. Some flats are bungalows.

MCQ

Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term. 9 : 99 :: 12 : 168 :: 15 : ?

MCQ

Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. Z _ _ M I _ C B _ I Z C _ M _ Z C _ _ I

MCQ

Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related to the sixth number. 12 : 156 :: ? : 240 :: 22 : 506

MCQ

Which letter-cluster will replace the question mark (?) to complete the given series? GZIM, HBFI, ?, JFZA, KHWW

MCQ

Two different positions of the same dice are shown Find the number on the top if it is resting on‘2'.

MCQ

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed) (5, 9, 27) (9, 15, 47)

MCQ

Which letter-cluster will replace the question mark (?) to complete the given series? PJVG, VBZB, BTDW, HLHR,?

MCQ

The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown below. Choose a figure which would most closely resemble the unfolded form of the paper.

MCQ

Select the word-pair in which the two words are related in the same way as are the two words in the given pair. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.) Fan : Breeze

MCQ

R is son of P. Q is mother of N. M is husband of N. M is R’s sister’s husband. If O is the son of N, then how is P related to O?

MCQ

P, Q, R, S, T, U, V, and W are sitting around a square table facing the centre. Some of them are sitting at the corners while some are sitting at the exact centre of the sides. P is sitting to the immediate left of W and immediate right of U. S is sitting to the immediate left of U and immediate right of T. T is sitting to the immediate right of R. V is sitting between R and Q. Who is sitting between P and Q counting from the right of P?

MCQ

Ravina departs from her home and walks 55 m towards the east. She then turns right and walks 24 m. She turns right again and walks 68 m. She takes a final left turn and walks 16 m. How far is she from a pole which is exactly 40 m to the south of her home? (Assume that all the turns are $90^\circ$ turns only.)

MCQ

Seven friends Swami, Lav, Akhil, Arun, Shubh, Vivek and Gyan, each has different ages. Akhil is older than only two people. Lav is older than Swami. Vivek is older than only three people. Swami is younger than only two people. Gyan is neither the eldest nor the youngest. Lav is older than Vivek but not older than Shubh. Who is the youngest?

MCQ

Select the option in which the given figure is embedded (rotation is NOT allowed).

MCQ

Select the correct combination of mathematical signs to replace “%” which balances the following equation. 64 % 8 % 3 % 6 % 4 % 8 % 2

MCQ

Select the option that represents the letters which, when sequentially placed from left to right in the blanks below, will complete the letter series Q _ R _ _ _ U R _ A _ _ R L A

MCQ

Select the correct combination of mathematical signs to sequentially replace the signs and balance the given equation. 15452*10= 20

MCQ

Select the correct mirror image of the given combination when the mirror is placed at PQ ' as shown PYETAU

MCQ

Point A is 26 m to the south of Point B. Point C is 13 m to the east of Point B. Point C is 39 m to the north of Point D. Point D is 14 m to the west of Point E. Point F is 13 m to the north of Point E. Point G is 40 m to the west of Point F. Point H is to the north of Point G and also to the west of Point C. In which direction is Point H with respect to Point F?

MCQ

In a certain code language, 'BOOTS' is coded as '64', and 'SHOES' is coded as '69'. How will 'HEELS' be coded in that language?

MCQ

Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All goods are services. Some services are applications. All applications are forms. Conclusions: I. All goods can never be applications. II. At least some services are forms. III. No good is a form.

MCQ

‘Q + R’ means ‘Q is the husband of R’, ‘Q – R’ means ‘Q is the father of R’, ‘Q * R’ means ‘Q is the mother of R’, and ‘Q @ R’ means ‘Q is the daughter of R’. If M + V @ P – U, how is M related to U?

MCQ

Three different positions of the same dice are shown Find the number on the face opposite the face showing 6 () () ()

MCQ

Select the option in which the given figure is embedded (rotation is NOT allowed).

MCQ

Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Kindle 2. Knob 3. Kite 4. Knife 5. Kindergarten

MCQ

Select the option that is related to the third word in the same way as the second word is related to the first word (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/consonants/vowels in the word). Wood : Carve :: Clay : ___________

MCQ

Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word) Flock : Many :: Solitary : ?

MCQ

Which of the following numbers will replace the question mark (?) in the given series? 11, 75, 131, 179, 219, ?

MCQ

Which two signs should be interchanged to make the given equation correct? 167 + 85 – 5 × 4 ÷ 36 = 199

MCQ

Select the number from among the given options that can replace the question mark (?) in the following series. 4, 17, 39, 69, 117, 181, ?, 387

MCQ

Select the option in which the given figure is embedded rotation is NOT allowed)

MCQ

Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series. _ A _ D _ A D A A _ A A D _ A

MCQ

Select the set in which the numbers are related in the same way as are the numbers of the given set. (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (4, 13, 5) (2, 13, 9)

MCQ

Which of the following numbers will replace the question marks (?) in the given series? 4, 17, 34, 53, ?, 105, 136, ?

MCQ

Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Opaque 2. Omission 3. Once 4. Onward 5. Omnipotence

MCQ

In a certain code language, 'SMOKE ' is coded as 25 and 'BROWSER' is coded as 49. How will 'ADULTHOOD' be coded in that language?

MCQ

Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word) Peasant : Cottage :: Monk : ?

MCQ

If '+' means '−', '−' means '×', '×' means '÷', '÷' means '+', then what will be the correct answer of the following relation? (6 - 20 ÷ 24) × 8 + 6 = ?

MCQ

Six friends are sitting in a circle. All of them are facing the centre. Palak is an immediate neighbour of Kumud. Jhalak sits third to the left of Mehak. Rahat sits fourth to the right of Jhalak. Kumud sits second to the right of Chahak. Who sits to the immediate left of Mehak?

MCQ

Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.) Poultry : Turkey

MCQ

Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word) Idea : Notion :: Vacant : ?

MCQ

Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth term is related to the sixth term? 7 : 18 :: ? : 30 :: 10 : 24

MCQ

In a certain code language, 'BORDER' is coded as ESUHHV and 'GLOBAL' is coded as JPRFDP. How will 'LATEST' be coded in that language?

MCQ

How many triangles are there in the given figure?

MCQ

Select the figure from the options that can replace the question mark and complete the given pattern

MCQ

In a certain code language, 'RIGHT' is coded as '87', and 'LEFT' is coded as '59'. How will 'CENTRE' be coded in that language?

MCQ

Section 2

General Awareness

52 questions Section Test

Arrange the following words in a logical and meaningful order. 1. millimetre 2. inch 3. centimetre 4. foot 5. metre

MCQ

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

MCQ

What is World Wide Web?

MCQ

On which date did the members of the Constituent Assembly append their signatures to the Constitution of India?

MCQ

To which of the following gharanas of music does tabla maestro Zakir Hussain belong?

MCQ

Match the hills in column A with their locations regions in column B Column A Hills Column B Location regions 1 Sheva roy Hills a Eastern Ghats 2 Dodd a betta b Western Ghats 3 Khasi Hills c Meghalaya Plateau

MCQ

Who shall have the duty to give advice to the Government of India upon legal matters from time to time as per Article 76 of the Constitution of India?

MCQ

The Reserve Bank of India introduced a comprehensive regulatory framework for NBFC-MFI on __________.

MCQ

On 7th February 2023, Ministry of Social Justice & Empowerment, GOI, set up 12 Garima Greh Shelter Home for ________ on pilot basis in nine States.

MCQ

The Poona Pact was concerned with providing representation to which of the following classes or communities?

MCQ

Which of the following is the total value of Net National Product at the consumer point?

MCQ

The Constitution (Scheduled Tribes) Order (Third Amendment) Bill, 2022, which has been passed by the Lok Sabha seeks to amend the Constitution (Scheduled Tribes) Order, 1950, with respect to its application to which of the following states?

MCQ

Which of the following food additives have nutritive value?

MCQ

In which year was the climate classification first published in Russian as ‘thermal zones of the earth’?

MCQ

The POSHAN Abhiyaan launched in 2018 focuses on the nutritional status of adolescent girls, pregnant women, lactating mothers and children of which age group?

MCQ

Which of the following is an example of the Indo-Saracenic style of architecture built in the year 1912 for the 24th ruler of the Wodeyar dynasty?

MCQ

In organic chemistry, which qualitative method is used for testing an unsaturated carbon- carbon bond, such as an alkene or alkyne, but NOT for an aromatic carbon-carbon bond?

MCQ

How many pairs of gill slits are present in the members of class cyclostomata of phylum vertebrata?

MCQ

Which of the following statements is INCORRECT with respect to Start-Up India Seed Fund Scheme?

MCQ

Which organic compound is a toxic aromatic amine with the formula C6H7N that is mainly used to make a wide variety of products such as polyurethane foams, agricultural chemicals and synthetic dyes?

MCQ

Who among the following members participate in the election of the Vice President of India?

MCQ

Which of the following states did NOT experience the success of the green revolution in the first phase between years mid-60s to mid-70s?

MCQ

Before the foundation of the Vijayanagar empire, Harihar and Bukka were the nobles of which of the following dynasties?

MCQ

According to the Census of India 2011, which of the following states has the highest Hindu population percentage of total population?

MCQ

How do web browsers use Hyperlinks?

MCQ

‘Serve to Win’ is the autobiography of _______.

MCQ

Where was the 2021 Men's FIH Hockey Junior World Cup held?

MCQ

What are the basic components of Portland cement?

MCQ

Which country is associated with the ‘Navam Perahera’ festival?

MCQ

Which of the following factors is responsible for moderate to heavy rain in low-lying areas and heavy snow to mountainous areas of the Indian Subcontinent during winters?

MCQ

Swami Vivekanand’s organisation _________ stressed the ideal of salvation through social service and selfless action.

MCQ

Which treaty led to the surrender of nearly half of the territory of Mysore State to the East India Company?

MCQ

Ashtangika Marga, which guides us in eliminating human misery is concerned with which religion?

MCQ

According to Koeppen’s Scheme, which type of climate is denoted by ‘BShw’ in India?

MCQ

Sangeet Natak Akademi, the National Academy of Music, Dance and Drama in the meeting of its General Council held in November 2022 in New Delhi awarded the Ustad Bismillah Khan Yuva Puraskar 2021 in the field of Hindustani vocal music to ________.

MCQ

During which census enumeration did the Registrar General of India provide for the first time three codes for enumeration i.e., Male-1, Female-2 and Others-3?

MCQ

Ustad Vilayat Khan was related to the musical instrument called ________.

MCQ

The steppe biome is a dry, grassland habitat found on all continents EXCEPT, Australia and Antarctica. In which climate does it mainly occur?

MCQ

Up to which financial year has the Start-Ups Intellectual Property Protection Scheme, launched in 2016 by the Ministry of Commerce and Industry been extended?

MCQ

In which of the following dances the basic dance formation is that of a circle that moves counter-clockwise, where dancers form concentric circles that move in opposite directions?

MCQ

The headquarters of National Aluminium Company Limited (NALCO) is located at _______.

MCQ

Which of the following options represents artificial ecosystems?

MCQ

Match the columns State Name of primitive form of cultivation 1 Andhra Pradesh a Podu 2 Jharkhand b Kom an 3.Odisha c Kuru wa

MCQ

According to the Census of India 2011, what is the literacy rate of the state of Bihar?

MCQ

In terms of trophic dynamics, wolf, Komodo dragon and crocodile are defined as:-

MCQ

Which of the following is NOT a transition metal?

MCQ

Vaijayantimala, a famous Indian actress, was also an exponent of which of the following dance forms?

MCQ

Which semi-essential amino acid plays an important role in your body’s immune function, digestion, sleep and sexual function?

MCQ

The Indus system is one of the largest river basins in the world, covering a total length of how many kilometres in India?

MCQ

Who among the following launched the Ombudsperson App for the Mahatma Gandhi National Rural Employment Guarantee Act in February 2022?

MCQ

Who among the following people is exempted from the applicability of Fundamental Duties?

MCQ

100

Directive Principles of State Policy is taken from which country’s constitution?

MCQ

Section 3

General Engineering Electrical

100 questions Section Test

101

Select the INCORRECT statement for an overhead transmission line supported by supports at equal levels.

MCQ

102

According to IS (Indian Standard) specification 1180-1964 for outdoor type distribution transformer, the tapings shall be provided on hv side in _______.

MCQ

103

Which of the following statements is true regarding the voltage drop due to armature reaction for unity power factors in an alternator?

MCQ

104

The armature resistance of a 220 volt DC machine is 0.5 ohm. What is the value of the back EMF when the machine functions as a motor if the full load armature current is 25 amps?

MCQ

105

Which of the given statements is NOT true about the double layer winding in the electrical machine?

MCQ

106

In Electromagnetism, the field pattern of a magnetic field inside the toroid is _______.

MCQ

107

Arrange the following in the increasing order of energy released during their processing as a biomass. A) Bagasse B) Municipal solid waste C) Wheat and rice straw D) Wood pellets

MCQ

108

Find the common base configuration current gain of a transistor, if the common emitter configuration current gain of the transistor is 50.

MCQ

109

Find the input capacitance fora common source CS MOSFET

MCQ

110

What will be the primary current of a 20 kVA, $\frac{6600}{220}$ V, 50 Hz step-down ideal transformer?

MCQ

111

What is the purpose of cost estimation?

MCQ

112

In a capacitor start induction run motor, when motor reaches to ________ of full speed, the centrifugal switch S opens and cuts out capacitor from supply.

MCQ

113

Three phases (R, Y and B) of a balanced AC circuit with the phase sequence RYB are connected in star. These three voltages are equal in magnitude and displaced from one another by ________ electrical angle.

MCQ

114

A series RLC circuit has the following parameter values: R = 5 Ω, L = 0.01 H, C = 100 μF, Voltage source (t) = 10 sin 1000t. What is the value of quality factor?

MCQ

115

An RLC series circuit has resonance frequency of 170 kHz and quality factor of 25. Find the bandwidth of the circuit.

MCQ

116

The range of a moving iron ammeter can be extended by using a ___________.

MCQ

117

Which of the following is used with the pressure coil to bring the flux produced by the shunt magnet exactly in quadrature with the applied voltage?

MCQ

118

In a shaded-pole induction motor, in the core, when a __ phase is applied, a/an _ flux is generated.

MCQ

119

The expression for the RMS value of the current of a triangular wave form is:

MCQ

120

In a three-phase balanced star connected system, which of the following will hold

MCQ

121

Find the value of equivalent inductance across terminal AB in the following circuit. 5 H 3 H 12 H 1 H 15 H

MCQ

122

Which of the following defines the use of a thermostat in an electric kettle?

MCQ

123

In electrical applications, electric geyser coils are made up of a _________.

MCQ

124

Which option is INCORRECT in relation to the applications of synchronous motors?

MCQ

125

The compensation for light load is done by using a metallic strip provided between the ________.

MCQ

126

Which of the following statements is/are true in regard to auto transformers? (i) A commonly known auto transformer, variac is used in laboratories and science labs. (ii) An auto transformer should have small transformation when used in transmission and distribution application. (iii) An auto transformer is used to raise the voltage in an AC feeder and is known as booster.

MCQ

127

Which of the following components are connected to the gearbox and generator box, respectively, in a horizontal-type wind turbine?

MCQ

128

Find the value of V in the circuit shown below 170 2 V 10 5 A

MCQ

129

Which of the following constitutes a valid reason for rejecting the lowest bid?

MCQ

130

Which of the following statements are INCORRECT about PMMC instruments? I. The torque-to-weight ratio is high, which gives a high accuracy. II. A single instrument can be used for several, different current voltage ranges by using the instrument transformer. III. The scale is uniformly divided. IV. The cost of PMMC instruments is lower than that of moving iron instruments.

MCQ

131

Calculate the resistance per metre length of a wire of diameter 40 mm and specific resistance of 3.14 × 10-4 Ω-m:

MCQ

132

In the context of electromagnetic induction, the fraction of magnetic flux produced by the current in one coil that links the other coil is called _______.

MCQ

133

Find the most economical size of a single core cable working on a 1 ookv single phase system and the maximum permissible stress in the dielectric is not to exceed 50 V 2 kV cm

MCQ

134

What will be the phase difference between the alternating current and the voltage represented by the following equation I = I0 sin (ωt) and E = E0 cos (ωt + π/3)?

MCQ

135

A 400 W,100 V bulb is connected across a 50 V source. The current drawn by the bulb is _________.

MCQ

136

A capacitor that stores energy of 8 J and has capacitance of 1 F has a potential difference of ______ across it.

MCQ

137

Which of the following is a desirable characteristic of a DC servomotor?

MCQ

138

The Ohmic loss during the open-circuit test id considered negligible because:

MCQ

139

The bundled conductors can be formed from two or more stranded conductors, bundled together to increase the _________.

MCQ

140

The bandwidth of CRO is the range of frequencies over which gain of _________________.

MCQ

141

What will happen with a single-phase induction motor that has a short-circuited capacitor?

MCQ

142

How many terminals does a servo-motor contain?

MCQ

143

Diffusion capacitance of a p-n junction diode increases with increase in the and the .

MCQ

144

The voltage across the impedance ‘Z’ is 100∠15 V and the current through ‘Z’ is 20∠−45 A. Find the reactive power (Q).

MCQ

145

The conductor of an overhead transmission line has cross-sectional area of 2 cm2. If the specific gravity of the conductor material is 9.9 gm/cm3 and wind pressure is 1.5 kg/m length. The effective weight per metre of length (kg/m) of the conductor will be ____.

MCQ

146

In the wind power plant, which of the following features differentiates the wound rotor synchronous generator from squirrel cage induction generators?

MCQ

147

In the application of electrical and magnetic circuits, the heater element in an electric iron is manufactured by using ________.

MCQ

148

When one tenant re-lets space to another under the terms of their own lease, it is called __________________.

MCQ

149

Which of the following lamps is well suited for street lightning in terms of high luminous efficiency?

MCQ

150

Self-inductance does NOT depend on which of the following parameters?

MCQ

151

In case of magnetic circuits, the flux produced per unit area of the magnetic material, for every unit of the magnetising force applied to it, is called _________.

MCQ

152

A power system consists of a coal-fired power plant of 800 MW with the availability factor of 0.8 and a wind farm of 400 MW with the availability factor of 0.5. Find the firm power of the system.

MCQ

153

In a transformer, the variation of which quantity leads to induce an EMF?

MCQ

154

In the circuit shown below the value of the current I is 20 30 5 A 31 20 V

MCQ

155

A wire of resistance 88 Ω is stretched to twice its original length. The resistance of a stretched wire would be _________.

MCQ

156

A JFET has the following parameters: Ipss = 30 mA, VG s off = - 5 V, VG s = - 4.5 V. Find the value of drain current.

MCQ

157

Which of the following statements about the losses in a DC motor is INCORRECT?

MCQ

158

In commercial multimeters, to obtain the same deflection on corresponding DC and AC voltage ranges, the multiplier for AC range is to be ___________________.

MCQ

159

Consider the following statements about damper winding used to start a synchronous motor and choose the suitable combination of correct choices. a) When a motor is overloaded it does not stop. b) Synchronous motor made self-starting by providing damper winding. c) Damper winding consists of short-circuited copper bars embedded in the face of the field poles. d) Since damper winding resistance is high so it takes a small current from the supply mains.

MCQ

160

The candle power of a lamp placed normal to a working plane is 40 candle power. Find the distance if the illumination is 10 lux?

MCQ

161

Select the light bulb that uses the least amount of energy while yet producing an adequate amount of light.

MCQ

162

If the peak value of an alternating current is 8 A, then the RMS value of the current will be ________.

MCQ

163

The cable rating suitable for connecting the load of 3 kW to a single phase supply of 230 V is _________.

MCQ

164

Which of the following statements regarding the spinning reserve is/are true? A) It is the reserve capacity which is in operation, but not available for service. B) It acts as a cushion in case of emergency requirements. C) It is a capacity which is always connected to the bus and is used in case of need.

MCQ

165

Which of the following types of fields is used as a coupling medium in all electromechanical conversion devices?

MCQ

166

The method of creating uniform electrostatic stress in the dielectric of underground cables is known as ______ of cables.

MCQ

167

In a single value capacitor run motor, the starting torque is about ________ of rated torque.

MCQ

168

The instantaneous current in a circuit is given by i = 4 cos (ωt + θ) A. The RMS value of the current is:

MCQ

169

Choose the correct alternative regarding Neon Lamps.

MCQ

170

Which of the following is NOT suitable for the overhead conductor of a transmission line?

MCQ

171

Which type of generator is used in a large wind power plant?

MCQ

172

The The ven in's equivalent voltage across terminal A-B shown in the figure is 112 20 A 20 V

MCQ

173

How many windings are present in auto transformers?

MCQ

174

In electromagnetic induction, Lenz’s law directly follows _____.

MCQ

175

The property where magnetic field of one of the coils makes the other coil to induce an EMF in it is called _______.

MCQ

176

The armature reaction effect is high in ________.

MCQ

177

A moving coil instrument gives a full scale deflection of 10 mA when the potential difference across its terminals is 100 mV. Calculate the shunt resistance for full scale deflection which corresponds to 200 A?

MCQ

178

In a shaded-pole induction motor, the main core flux is _ by the flux in the ring that is developed by the _ current.

MCQ

179

In a series connection of inductances, L1 and L2 are inductances and M is the mutual inductance. Find the total inductance.

MCQ

180

In case of heating effect, if 1 calorie of heat energy is converted into joules, then its value will be _______.

MCQ

181

Which of the following materials is used to construct the rotor of variable reluctance stepper motor with salient poles?

MCQ

182

In electromagnetic induction, according to Fleming’s right-hand rule, the forefinger represents ______.

MCQ

183

In the circuit shown below the power delivered by the dependent voltage source is: 100 5 I 45 V

MCQ

184

If the energy stored in a 5H inductor is 160 joules, then calculate the current passing through it.

MCQ

185

The no load ratio of a 50 Hz single-phase transformer is $\frac{2000}{200}$ V. The maximum flux in the core is 0.05 Wb. What is the approximate number of primary turns?

MCQ

186

The input signal of a common drain amplifier is applied to the Gate through the ____.

MCQ

187

The current (I) flowing through the p-n junction diode is given by _________.

MCQ

188

Identify the FALSE statement associated with the significance of stationary armature in synchronous machine.

MCQ

189

The deflection produced by a half wave rectifier type AC voltmeter is how much times the deflection produced by the DC of equal magnitude voltage?

MCQ

190

In a shaded-pole induction motor, the part with copper ring is known as ____, and the copper ring is known as _, which is usually a single-turn coil.

MCQ

191

A heater of resistance 300Ω is connected to the main supply for 10 minutes. If the heat produced in the heater during this time is 18 J, then find the current through it.

MCQ

192

Which of the following quantities can be changed to control the speed of the brushless DC motor?

MCQ

193

If supports are at equal levels and tension in an overhead line is increased to two times, then ______________.

MCQ

194

In case of magnetic circuits, the ratio of the flux density developed in the magnetic material to the flux density developed in air, for the same amount of magnetising force applied to it, is called _________.

MCQ

195

Mechanical losses in a synchronous motor include:

MCQ

196

The figure shows the lagging load phasor representation of a transmission line, where, VS, R, XL ,VR and I represent the sending end voltage, line resistance, line inductance, receiving end voltage and line current, respectively. Identify the transmission line which most suited for it.

MCQ

197

Calculate the line value of induced emf of a 10-pole, 3-phase, 60 Hz star-connected alternator with 60 slots and 4 conductors per slot. The value of the pitch factor is 0.966, the distribution factor is=0.966, the flux per pole is 0.12 Wb and it is sinusoidally distributed.

MCQ

198

The dual pair of the node and open circuit are ____________

MCQ

199

Which of the following statements is NOT correct about generation of alternating voltage?

MCQ

200

How much torque will be produced by the armature of a DC shunt machine if the machine generates 10,000 W of mechanical power in the armature and rotates at the speed of 1500 revolutions per minute?

MCQ