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A long straight conductor AB, carrying a...

A long straight conductor AB, carrying a current of 25 A is fixed horizontally. Another long conductor XY is kept parallel to AB at a distance of 4mm, in air. Conductor XY is free to move and carries current 1. Then the magnitude and direction of current I forwhich the magnetic repulsion just balances the weight of conductor XY is (Mass per unit length for conductor XY is `5 xx 10^(-2) Kg//m)`.

A

32.67 A

B

3.98 A

C

392 A

D

300 A

Text Solution

Verified by Experts

The correct Answer is:
C
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