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Electric Circuits

Electric Circuits
Which resistor will be physically larger in size?

 10 Ω, 50 W.
 1 k Ω, 1 W.
 100 Ω, 10 W.
 1 M Ω, 1/2 W.

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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
 - 1.25

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

  P.
 16P.
 2P.
 4P.

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Electric Circuits
In what connection we get neutral?

  Delta.
  Both A and B.
  Star.
  Mesh.

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Electric Circuits
The unit of resistivity is

 Ω / metre.
 Ω.
 Ω / m².
 Ω - metre.

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 fast charging.
 trickle charging.
 incomplete charging.
 heavy charging.

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MORE MCQ ON Electric Circuits

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