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Magnetic Field Due to a Straight Current Carrying Conductor

When a coil i...

Question

When a coil is rotated in a magnetic field and is connected to a circuit using slip rings, the direction of current in the circuit.

A

is constant

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B

changes continuously

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C

does not change

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D

is not measurable

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Solution

The correct option is B changes continuously
The coil rotating in the magnetic field has a current that changes its direction continuously. Such a current is called an alternating current.

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