Consider the following graph, excerpted from the book series Electricity & Magnetism, available from Schottenbauer Publishing.
- Is the field of a bar magnet similar to the horseshoe magnet above? Why or why not?
- Is it more efficient to use a bar magnet or a horseshoe magnet in a generator? Explain.
- Is it preferable in a generator to use a magnet with high magnetic field or low magnetic field? Explain.
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