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प्रश्न
The magnetic moment of a current I carrying circular coil of radius r and number of turns N varies as ______.
विकल्प
`1/"r"^2`
`1/"r"`
r
r2
MCQ
रिक्त स्थान भरें
उत्तर
The magnetic moment of a current I carrying circular coil of radius r and number of turns N varies as r2.
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