A solid metallic cylinder carries a direct current. The magnetic field produced by it exists

Outside the cylinder only

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Inside the cylinder only

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Both inside and outside the cylinder

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Neither inside nor outside the cylinder

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Solution

The correct option is C
Both inside and outside the cylinder

B is zero only on the axis of the cylinder.

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A solid metallic cylinder carries a direct current. The magnetic field produced by it exists

The correct option is C Both inside and outside the cylinderB is zero only on the axis of the cylinder.

The correct option is C
Both inside and outside the cylinder

B is zero only on the axis of the cylinder.