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Increasing which of the following would increase the magnetic force between the permanent magnet and the coil? A. Transformer B. Circuit C. Current D. Generator

Sagot :

AL2006

For this one, all you really need to do is eliminate any answers
that are absurd or meaningless.

You can't increase a transformer.
You can't increase a circuit.
You can't increase a generator.

When the current through a coil of wire increases, the magnetic field
around the coil increases, so there would be more magnetic force
between the coil and a permanent magnet.