A rectangular coil is placed in a uniform magnetic field. If the direction of the current is reversed, what is the effect on the force acting on each segment of the coil?

Question

A rectangular coil is placed in a uniform magnetic field. If the direction of the current is reversed, what is the effect on the force acting on each segment of the coil? — Exam MCQ

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B. The direction of the force on each segment reverses — The correct choice is The direction of the force on each segment reverses. The result follows from the relevant magnetic-field, electromagnetic-induction or Fleming/right-hand-rule principle.

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A. The magnitude of the force doubles

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C. The magnitude of the force becomes zero

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D. The force acts perpendicular to the plane of the coil

A rectangular coil is placed in a uniform magnetic field. If the direction of the current is reversed, what is the effect on the force acting on each segment of the coil?

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