Square coil A has 2N turns and sides of length L, and square coil B has N turns and sides of length 2L. When a current of 2 amps is sent through coil A and a current of 1 amp is sent through coil B, which coil has the greater magnetic moment?
a. coil A
b. coil B
c. Both have the same magnetic moment.
d. More information is needed.
c
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