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Induced Current and Induced emf

Magnetic fiel...

Question

Magnetic field lines :

A

starts from north pole

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B

starts from south pole

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C

starts from current-carrying wires

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D

are closed loops

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Solution

The correct option is D are closed loops
Magnetic field lines are actually closed loops. Since there is no magnetic monopole, there is no such starting or ending of the field lines.

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