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A long straight conductor carrying a cur...

A long straight conductor carrying a current lies along the axis of a ring. The conductor will exert a force on the ring if the ring

A. Carries a current
B. has uniformly distributed charge
C. has non-uniformly distributed charge
D. none of the above

Text Solution

Verified by Experts

(a) `(mu_(0)ii_(0))/(pi mR^(2)) (R -r ln (r + R)/(r))`
(b) `(mu_(0)ii_(0))/(2pi) ln ((r + R)/(r))`
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