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Magnetisation

A source of a...

Question

A source of a magnetic field is

A

An isolated magnetic pole

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B

A static electric charge

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C

A magnet or a current wire

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D

None of the above

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Solution

The correct option is C A magnet or a current wire
A magnet produces a magnetic field around it naturally.
However when current is passed through a wire also, it produces magnetic field around it. Thus a moving charge produces magnetic field around it.

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