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JEE Main20249 Apr 2024Evening ShiftPhysicsMagnetic Effects of CurrentActual

A straight magnetic strip has a magnetic moment of 44 Am ^2 . If the strip is bent in a semicircular shape, its magnetic moment will be _______ Am ^2 . (given = 22 7 )

Correct answer

0

Step-by-step solution

Magnetic moment of straight wire = mx =44 Magnetic moment of arc aligned & = m 2 r & = m 2 & = 44 2 = 88 =28 aligned

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