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A magnet of megnetic moment 10 Am^(2) ha...

A magnet of megnetic moment 10 `Am^(2)` has magnetic length 5 cm.The strength of magnet is

A

100 Am

B

200 Am

C

300 Am

D

400 Am

Text Solution

Verified by Experts

The correct Answer is:
B

`m=(M)/(2l)=(10)/(5xx10^(-2))=200Am`
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