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+1 vote
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in Physics by (24.7k points)
A thin circular wire carrying a current I has a magnetic moment M. The shape of the wire is changed to a square and it carries the same current. It will have a magnetic moment
A. M
B. `(4)/(pi^(2))M`
C. `(4)/(pi)M`
D. `(pi)/(4)M`

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1 Answer

+1 vote
by (25.0k points)
Correct Answer - D

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