Physics, 21.02.2020 19:45 malikfitzgerald1910
Suppose that when you move the north pole of a bar magnetic toward a coil it induces a positive current in the coil. The strength of the field produced by an electromagnetic can be controlled electronically. Suppose you place a coil near the north pole of an electromagnet and increase the field while keeping everything stationary. Which one of the following will happen?
A positive current will be induced in the coil
A negative current will be induced in the coil
No current will be induced in the coil since there is no relative motion.
Answers: 1
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Suppose that when you move the north pole of a bar magnetic toward a coil it induces a positive curr...
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