Magnetic field produced at the centre of a current carrying circular wire is:

directly proportional to the square of the radius of the circular wire.

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directly proportional to the radius of the circular wire.

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inversely proportional to the square of the radius of the circular wire.

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inversely proportional to the radius of the circular wire.

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Solution

The correct option is D inversely proportional to the radius of the circular wire.
Magnetic field produced at the centre of a current carrying circular wire is inversely proportional to the radius of the circular wire.

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