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Electric Circuits

Electric Circuits
One ampere hour charge is equivalent to

 36000 coulombs.
 3600 coulombs.
 36 coulombs.
 360 coulombs.

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Electric Circuits
Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre?

 1.56.
 0.020.
 6.24.
 3.12.

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 parallel.
None of these
 series.
 either parallel or series.

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Electric Circuits
In which of the following networks it is not possible to find the transient free response?

 RC
 RL
 RL, RC, and RLC
 RLC

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Electric Circuits
The value of E within the field due to a point charge can be found with help of

 Kirchhoffs law.
 Coulombs law.
 Lenzs law.
 Faradays law.

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Electric Circuits
A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is

 10.
 1.
 0.4.
 0.85.

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