Your friend insists that a strong magnetic field is required to induce a current

Question

Your friend insists that a strong magnetic field is required to induce a current in a coil that has no battery.

Part A

What experiments can you perform to support her idea?

Part B

What experiments can you perform to show that even if there is a strong magnetic field, no current is induced?

A) Rotating the coil at a constant rotational speed along the axis parallel to the external magnetic field. B) Rotating the coil at a constant rotational speed along the axis perpendicular to the external magnetic field. C) Placing the coil in a constant external magnetic field. D) It is impossible to perform such an experiment.

Explanation / Answer

Part A: B) Rotating the coil at a constant rotational speed along the axis perpendicular to the external magnetic field.

Part B:C) Rotating the coil at a constant rotational speed along the axis parallel to the external magnetic field.

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