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Electric Circuits

Electric Circuits
Our household apparatus are connected in

 series and parallel combination.
 series.
 parallel.
 cascade.

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  n2R.
  R / n2.
  nR .
  n2 / R.

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

 Over damping
 Undamping
 Critical damping
 Under damping

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Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

  1.6 × 10-27 Kg.
 1.6 × 10-19 Kg.
 1.6 × 10-13 Kg.
 1.6 × 10-24 Kg.

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (4 + j2 ) pu
 (2 + j4) pu
 (4 + j3) pu
 (3 + j4) pu

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Electric Circuits
Which of the following Y-parameters is dimensionless?

 Y22.
 Y12.
 none of these.
 Y11.

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MORE MCQ ON Electric Circuits

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