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A coil of N turns and …

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A coil of N turns and radius R carries a current I. It is unwound and rewound to make a square coil having same number of turns N . Keeping the current I same , find the ratio of magnetic moments of the squaŕe coil and the circular coil .

    • Posted by Ravindra Singh 7 years, 7 months ago

    CBSE > Class 12 > Physics
    • 0 answers
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