magnetism

Question: The effective length of a magnet is 31.4 cm and its pole strength is 0.5 Am. The magnetic moment, if it is bent in the form of a semicircle will be

1) $0.1\,\,A{m^2}$

2) $0.01\,\,A{m^2}$

3) $0.2\,\,A{m^2}$

4) $1.2\,\,A{m^2}$

Solution:

Explanation: No Explanation

Magnet and It's Properties

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