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When the current i is flowing through a ...

When the current i is flowing through a conductor, the drift velocity is v . If 2i current is flowed through the same metal but having double the area of cross-section, then the drift velocity will be

A

`v//4`

B

`v//2`

C

v

D

`4v`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • When a current flows through a conductor its temperature

    A
    May increase or decrease
    B
    Remains same
    C
    Decreases
    D
    Increases

  • When current flows through a conductor, then the order of drift velocity of electrons will be

    A
    `10^(10)m//sec`
    B
    `10^(-2)cm//sec`
    C
    `10^(4)cm//sec`
    D
    `10^(-1)cm//sec`

  • When a steady current flows through a metal conductor of non-uniform cross-section , then drift velocity is

    A
    Independent of area of cross-section
    B
    Directly proportional to the area of cross-section
    C
    Inversely proportional to the area of cross-section
    D
    Inversely proportional to the square of area of cross-section.

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