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Electric Circuits

Electric Circuits
What would be the power given by source V2?

 - 5 W.
 0 W.
 10 W.
 5 W.

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 10 mH.
 0 mH.
 20 mH.
 5 mH.

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per kW.
  mg per coulomb.
  mg per kVA.
  mg per volt.

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 two in parallel.
 three in series.
 three in parallel.
 two in parallel and one in series.

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Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 R.
 R/2.
 3R/2.
 2R/3.

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Electric Circuits
In a lead acid cell, hydrogen is liberated at

 positive plate.
 both plates.
 negative plate.
 none of the plates.

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MORE MCQ ON Electric Circuits

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