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Magnetic Field Due to a Circular Ring on the Axis

A coil is con...

Question

A coil is connected to a 1.5V battery. Now, this battery is replaced by 3V battery. 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 increases or decreases

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Solution

The correct option is A Increases
A coil is connected a 1.5 V batter. Now, the battery is replaced by 3 V. The magnetic field around the coil increases because as the voltage increases the current flowing through the same coil increases thereby increases magnetic field.

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