Square Coil a Has 2N Turns and Sides of Length

question 36

Multiple Choice

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.

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