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When no current is passed through a cond...

When no current is passed through a conductor,

A

the free electrons do not move

B

the average speed of a free elec ron over a large period of time is zero

C

the average velocity of a free electron over a large period of time is zero

D

the average of square of velocities of all the free electrons at an instant is zero.

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ALLEN-CURRENT ELECTRICITY-EX.II
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  5. Internal resistance of a cell depends on

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  6. The resistance of the circuit between A and B is:-

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  10. The following diagram shows the circuit for the comparision of e.m.f. ...

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  11. In the following circuit the reading of the voltmeter will be:-

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  12. In the following diagram, the deflection in galvanometer in a potentio...

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  13. In the circuit shown the resistance of voltmeter is 10000 ohm and that...

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  14. Value of Current i in the following circuit is:-

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  15. The resistance of galvanometer is g ohm and the range is 1 volt. The v...

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  16. The total resistance b etween x and y in ohm is:-

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  17. In an experiment to measure the internal resistance of a cell by a pot...

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  18. There are n similar conductors each of resistance R . The resultant re...

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