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Question

When current in current-carrying conducor is increased


A

magnetic field around it decreases.

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B

magnetic field around it increases.

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C

magnetic field around it remains same.

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D

magnetic field around it first increases then decreases.

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Solution

The correct option is B

magnetic field around it increases.


When a current flows in a conductor, a magnetic field is produced around it. On increasing current in conductor, magnetic field also increases.


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