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Electric Circuits

Electric Circuits
Which of the following is the different one in terms of measurements?

 RC
 L/R
 2L/R
 Q

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Electric Circuits
Specific resistance is measured in

  ohm/cm.
  ohm - cm.
  ohm.
  mho.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 2.5
 10
 - 1.25
 1

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Electric Circuits
Active element of electrical circuit is

 voltage source.
 none of above.
 current source.
 both of them.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 N - 1.
 b - N - 1.
 N.
 b - N + 1.

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Electric Circuits
A 10Ω resistor is stretched to increase its length double. Its resistance will now be

 20 Ω.
 5 Ω.
 40 Ω.
 10 Ω.

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MORE MCQ ON Electric Circuits

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