MHT CET Physics question

Physics Magnetism and Matter MHT CET

Not in JEE Advanced syllabus

A steel wire of length '' has a magnetic moment 'M'. It is bent in 'L' shape having equal size of arm. The new magnetic moment is

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

With pole strength , ; after bending, the poles are separated by the distance between the free ends of the two arms,

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Question ID VK-080537