Questions  

The magnetic moment of a magnet of length 10 cm and pole strength 4.0 Am will be

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By Expert Faculty of Sri Chaitanya
ctaimg
a
0.4 Am2
b
1.6 Am2
c
20 Am2
d
8.0 Am2
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detailed solution

Correct option is A

M=mL=4 x 10 x 10-2=0.4 Am2


ctaimg

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