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a wire of length ;l and magnetic moment m is bend in shape of a semicircle than what is the new magnetic moment ?

a wire of length ;l and magnetic moment m is bend in shape of a semicircle than what is the new magnetic moment ?

Grade:12

1 Answers

Umakant biswal
5359 Points
5 years ago
dear dhananjay 
first of all u need to calculate the effective length after bending of wire . 
effective length = 2R = 2l / pi 
magnetic moment = p * 2R 
where p is the pole strength . 
HOPE IT CLEARS NOW 
REGARDS 

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