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Question
The magnetic moment of a circular coil carrying current is ______.
Options
- directly proportional to the length of the wire in the coil.
- inversely proportional to the length of the wire in the coil.
- directly proportional to the square of the length of the wire in the coil.
- inversely proportional to the square of the length of the wire in the coil.
MCQ
Fill in the Blanks
Solution
The magnetic moment of a circular coil carrying current is directly proportional to the square of the length of the wire in the coil.
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