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Electric Circuits

Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 1 μsec
 4 msec
 2 μsec
 2 msec

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 4R Ω
 2R Ω
 8R Ω
 R Ω

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Electric Circuits
Poorest conductor of electricity is

  Aluminium.
  Silver.
  Carbon.
  Steel.

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Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 5A
 0A
 10A
 1A

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Electric Circuits
Basic cut set matrix consists of

 2 branch.
 any number of branches.
 no branches.
 one branch.

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Air gap.
 Inductance.
 Coil.
 Core.

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MORE MCQ ON Electric Circuits

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