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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

  watt / ampere2.
  mho.
  ampere / watt.
  volt2 / watt.

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Electric Circuits
The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram

 0 mA.
 6 mA.
 1 mA.
 2 mA.

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Electric Circuits
For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

  (8.66 + j5) A.
  (-9.66 + j5) A.
  (-8.66 - j5) A.
  (8.66 - j5) A.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 1000 pF.
 125 pF.
 500 pF.
 250 pF.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Undamping
 Critical damping
 Over damping
 Under damping

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 4 Ω.
 400 Ω.
 800 Ω.
  40 Ω.

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MORE MCQ ON Electric Circuits

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