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Objective Type Question or MCQ of Power System Protection page-1Objective Type Question or MCQ of Power System Protection page-2Objective Type Question or MCQ of Power System Protection page-3Objective Type Question or MCQ of Power System Protection page-4Objective Type Question or MCQ of Power System Protection page-5Objective Type Question or MCQ of Power System Protection page-6Objective Type Question or MCQ of Power System Protection page-7Objective Type Question or MCQ of Power System Protection page-8Objective Type Question or MCQ of B. Economics of Operation page-1Objective Type Question or MCQ of B. Economics of Operation page-2Objective Type Question or MCQ of B. Economics of Operation page-3Objective Type Question or MCQ of B. Economics of Operation page-4Objective Type Question or MCQ of B. Economics of Operation page-5Objective Type Question or MCQ of B. Economics of Operation page-6Multiple Choice Question (MCQ) of Circuit Breaker page-1Multiple Choice Question (MCQ) of Circuit Breaker page-2Multiple Choice Question (MCQ) of Circuit Breaker page-3Multiple Choice Question (MCQ) of FuseMultiple Choice Question (MCQ) of Protective Relays page-1Multiple Choice Question (MCQ) of Protective Relays page-2Multiple Choice Question (MCQ) of Protective Relays page-3Multiple Choice Question (MCQ) of Protective Relays page-4Multiple Choice Question (MCQ) of battery page-2Multiple Choice Question (MCQ) of battery page-3Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-1Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-2Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-3Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-5Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-6Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-7Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-8Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-9Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-10Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-11Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-12Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-13Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-14Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-16Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-17Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-18Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-19Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-20Multiple Choice Question (MCQ) of battery page-1Multiple Choice Question (MCQ) of Battery page-4Multiple Choice Question (MCQ) of Battery page-5Multiple Choice Question (MCQ) of Battery page-6Multiple Choice Question (MCQ) of Battery page-7Multiple Choice Question (MCQ) of Battery page-8Multiple Choice Question (MCQ) of Battery page-9Multiple Choice Question (MCQ) of Battery page-10Multiple Choice Question (MCQ) of Battery page-11Multiple Choice Question (MCQ) of Battery page-12Multiple Choice Question (MCQ) of Battery page-13Multiple Choice Question (MCQ) of battery page-14Multiple Choice Question (MCQ) of Battery page-15Multiple Choice Question (MCQ) of Battery page-16Multiple Choice Question (MCQ) of Battery page-17Multiple Choice Question (MCQ) of Battery page-18Multiple Choice Question (MCQ) of Battery page-19

Index

SymbolsTransformerRelayPower-SystemBasic-electricalACSR-ConductorCircuit-BreakerInterview-questions-of-Basic-ElectricityInterview-questions-of-transformerInsulatorCurrent-TransformerMCQMCQ-powersystemThermal-power-stationInterview-questions-of-Power-SystemPower-ElectronicsInterview-questions-of-Underground-CableInterview-questions-of-IlluminationIlluminationMCQ-of-ElectronicsMCQ-of-Basic-ElectricalMCQ-of-Transformers MCQ-of-D.C-motor MCQ-of-D.C-generatorsMCQ-Control-SystemMCQ-Measurementsmcq-of-Generation-power-systemMCQ-of-Induction-MotorMCQ-of-Transmission-DistributionMCQ-of-Electrical-MachinesMCQ-of-Alternator-and-Synchronous-MotorsMCQ-Electric-Power

Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15


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211. The electrical circuit A and B are shown below. Which of the battery of the flowing circuit will be loaded more and by what amount of current provided resistance of bulbs are same?

a) A, IA = 4IB
b) B, IA = IB
c) A, IB = 4IA
d) B, IA = 2IB

Ans: (a)

212.If one cycle of a.c. waveform occurs every second, what will be the frequency of this waveform?

a) 0.2 Hz
b) 0.5 Hz
c) 1 Hz
d) 2 Hz

Ans: (c)

213. A circuit is shown below. What will be the steady state value of the current?

a) 1 amp
b) 2 amps
c) 4 amps
d) 5 amps

Ans: (c)

214. There are two circuits shown below. Which of the following statement is true?

a) The lamp will be brightest when contact K moves to A in circuit (a)
b) The lamp will be brightest when the contact K moves to B in circuit (a)
c) The lamp will be brightest when contact K is moved to A the circuit (b)
d) Circuit (a) is a potential divider

Ans: (b)

215.In Q. 214, circuit (a) behaves as

a) Current limiting source
b) Potential divider
c) Light limiting source
d) None of the above

Ans: (a)

216. In the Q. 214, the circuit (b) behaves as

a) Current limiting source
b) Potential divider
c) Light limiting source
d) None of the above

Ans: (b)

217. Wheatstone bridge is used to measure

a) Current
b) Voltage
c) Resistance
d) Power

Ans: (c)

218. What will be the energy used by the battery if the battery has to drive 625 × 1016 electrons with potential difference of 10 V across the terminals?

a) 5 joules
b) 10 joules
c) 6.25 joules
d) 1.6 joules

Ans: (b)

219. If a night bulb is used at less brightness than rated one, which of the following method one will choose to achieve required brightness?

a) Current-limiting resistor
b) Potential divider
c) Source Voltage Reduction
d) Either (a) or (b)

Ans: (d)

220. A sine wave of 220 V, 50 Hz AC will achieve its negative maximum value in

a) 10 m sec
b) 15 m sec
c) 20 m sec
d) 50 m sec

Ans: (b)

221. If a neon bulb of 60 watts is connected 220 V, Ac source and draws 272 mA current, what be the resistance of the bulb filament?

a) 1000 Ω
b) 808 Ω
c) 800 Ω
d) 60 Ω
e) 272 Ω

Ans: (c)

222.An inductive circuit is shown below, which of the equation represents the circuit correctly?

a) V = Ldi/dt
b) V = IR + Ldi/dt
c) V = IR
d) V = IR + 1/L di/dt

Ans: (d)

223. Which of the following condition is true for maximum transfer of power if the internal impedance of voltage source is Zs = R + jx

a) ZL = Zs
b) ZL = R – jx
c) ZL = R + jx
d) ZL = Zs/2

Ans: (b)

224. In the Q.223, what will be the maximum transfer of power to ZL ?

a) V2/R
b) V2/2R
c) V2/R2
d) V2/4R

Ans: (b)

225. An RC circuit is shown below, the current will reach its maximum value

a) After 1000 μ sec of turning on the switch
b) After 500 μ sec of turning on the switch
c) After 50 μ sec of turning on the switch
d) Immediately after turning on the switch

Ans: (d)


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  1. Objective Type Question or MCQ of Power System Protection page-1
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  19. Multiple Choice Question (MCQ) of Protective Relays page-1
  20. Multiple Choice Question (MCQ) of Protective Relays page-2
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