A circular conductive loop is placed in a uniform magnetic field that is perpendicular to the plane of the loop. If the magnetic field strength changes at a constant rate and the radius of the loop is doubled, what happens to the magnitude of the induced emf in the loop?

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Physics · Electromagnetic Induction

A circular conductive loop is placed in a uniform magnetic field that is perpendicular to the plane of the loop. If the magnetic field strength changes at a constant rate and the radius of the loop is doubled, what happens to the magnitude of the induced emf in the loop?

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The induced emf increases by four times

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Answer 1

The induced emf decreases by half

Answer 2

The induced emf increases by four times

Answer 3

The induced emf increases by two times

Answer 4

The induced emf remains the same

A circular conductive loop is placed in a uniform magnetic field that is perpendicular to the plane of the loop. If the magnetic field strength changes at a constant rate and the radius of the loop is doubled, what happens to the magnitude of the induced emf in the loop?

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A circular conductive loop is placed in a uniform magnetic field that is perpendicular to the plane of the loop. If the magnetic field strength changes at a constant rate and the radius of the loop is doubled, what happens to the magnitude of the induced emf in the loop?

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