A solenoid connected to a 60-Hz AC source will produce an oscillating magnetic field, as we have
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A solenoid connected to a 60-Hz AC source will produce an oscillating magnetic field, as we have seen. If a permanent magnet is inserted into the solenoid, it will oscillate, but not with the same frequency that an unmagnetized piece of iron would. Why?
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A permanent magnet inserted in a solenoid will vibrat...View the full answer
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