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When no current is passed through a cond...

When no current is passed through a conductor,

A

(a)the free electrons do not move

B

(b)the average speed of a free electron over a large period of time is zero

C

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

D

(d)The average of the velocities of all the free electrons at an instant is zero.

Text Solution

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The correct Answer is:
C, D
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Knowledge Check

  • When no current is passed through a conductro

    A
    the free electrons do not move
    B
    the average thermal velocity of a free electron over a large period of time is zero
    C
    the average of thermal velocities of all the free electrons at an instant is zero
    D
    (b) and (c) both

  • When current passes through a conductor,

    A
    it creates an electric firld around it, directed towards the conductor
    B
    it creates an electric field, directed away from the conductor
    C
    none of the above
    D
    All of these

  • When an electric current is passing through a conductor, there is no electric field produced because the conductor is

    A
    positively charged
    B
    negatively charged
    C
    electrically neutral
    D
    none of these

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