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Magnetic Field Due to a Circular Ring on the Axis

A coil is con...

Question

A coil is connected a $1.5$ V battery. Now, the battery is replaced by $3$ V. The magnetic field around the coil.

A

Increases

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B

Decreases

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C

Does not change

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D

May increase or decrease

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Solution

The correct option is C Does not change
There is direct current flowing in the coil. Hence, there would be no induced magnetic field around the coil.

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