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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-7


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91. In parallel L-C circuit, at the resonant frequency

a) A line current is maximum
b) The total impedance is maximum
c) The total impedance is maximum
d) The inductive branch current is maximum

Ans: (c)

92. The series and parallel resonance in L-C circuit differs in that

a) Series resonance needs a high-resistance source for sharp rise in current
b) Series resonance needs a low-resistance source for sharp rise in current
c) Parallel resonance needs a low-resistance source for a sharp increase in impedance
d) Parallel resonance needs a low-resistance source for a sharp rise in line current

Ans: (b)

93. In a series L-C circuit at the resonant frequency the

a) Current is minimum
b) Voltage across C is minimum
c) Impedance is maximum
d) Current is maximum

Ans: (d)

94. A ferrite core has less eddy-current loss than an iron core because ferrites have

a) Low resistance
b) High resistance
c) Low permeability
d) High hysteresis

Ans: (b)

95. A coil with large distributed capacitance has a

a) High resonant frequency
b) Low resonant frequency
c) High Q
d) Low a.c. resistance

Ans: ()

96. A capacitor with power factor of 0.002 has a Q of

a) 0.002
b) 20
c) 200
d) 500

Ans: ()

97. A permalloy enclosure is the best shield against a

a) Static change
b) Steady magnetic field
c) Varying magnetic field
d) Stray capacitance

Ans: ()

98. With stray capacitance of 10μF, the capacitive reactance at 160 MHz equals

a) 10 ohms
b) 160 ohms
c) 100 ohms
d) 1000 ohms

Ans: (c)

99. The intrinsic impedance of free space is

a) 500 ohms
b) 750 ohms
c) 637 ohms
d) 377 ohms

Ans: (d)

100.The dissipation factor of a good dielectric is of the order of

a) 0.02
b) 0.002
c) 0.2
d) 0.0002

Ans: (d)

101. The dissipation factor of a good dielectric is practically same as power factor of the dielectric.

a) True
b) False

Ans: (a)

102. The velocity of propagation of an electromagnetic wave is given by

a) √LC
b) √(L/C)
c) √(1/LC)
d) 1/√LC

Ans: (d)

103. The total electric flux through any closed surface surrounding charges is equal to the amount of charge enclosed. The above illustration is known as

a) Maxwell’s First Law
b) Maxwell’s Second Law
c) Gauss’s Law
d) Coulomb’s Square Law

Ans: (c)

104. The magnetic flux density B is analogous to

a) Electromotive force V
b) Displacement current D
c) Electric intensity
d) Electric displacement

Ans: (c)

105. Which of the following is the continuity equation ?

a) ∂p/∂t = div i
b) curl H = 𝒊
c) div D = P
d) div i = 0

Ans: (a)


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Related topics :

  1. Objective Type Question or MCQ of Power System Protection page-1
  2. Objective Type Question or MCQ of Power System Protection page-2
  3. Objective Type Question or MCQ of Power System Protection page-3
  4. Objective Type Question or MCQ of Power System Protection page-4
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  15. Multiple Choice Question (MCQ) of Circuit Breaker page-1
  16. Multiple Choice Question (MCQ) of Circuit Breaker page-2
  17. Multiple Choice Question (MCQ) of Circuit Breaker page-3
  18. Multiple Choice Question (MCQ) of Fuse
  19. Multiple Choice Question (MCQ) of Protective Relays page-1
  20. Multiple Choice Question (MCQ) of Protective Relays page-2
  21. Multiple Choice Question (MCQ) of Protective Relays page-3
  22. Multiple Choice Question (MCQ) of Protective Relays page-4
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  24. Multiple Choice Question (MCQ) of battery page-3
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