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The figure shows a long straight wire ca...

The figure shows a long straight wire carrying a current `I_1` along the axis of a circular ring carrying a current I_2`. Identify the correct statement.

A

Straight wire attracts the ring

B

Straight wire attracts a small element of the ring

C

Straight wire does not attract any small element of the ring

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
`I_1` produce circular magnetic lines current `I_2` is each small circular element is parallel to `(theta=0^@)` magnetic field. Hence, force is zero.
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Knowledge Check

  • The field due to a long straight wire carrying a current I is proportional to

    A
    `l`
    B
    `I^(3)`
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    `I^2`
    D
    `1//I`

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    A
    I
    B
    `I^(3)`
    C
    `I^(1//2)`
    D
    I/I

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