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Magnetic Field Due to Current through a Circular Loop

When magnetic...

Question

When magnetic field lines are drawn around a current carrying circular loop, it has been observed that they are closed tc its axis. But these lines keeps on diverging as we move away from the centre. Explain this observation.

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Solution

It is so because the magnetic strength is strongest at pole and least in between so the lines are concentrated near poles and diverges in between $.$

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