robertwalsh1140 robertwalsh1140
  • 12-03-2024
  • Physics
contestada

A circular coil of ′N′ turns and radius ′R′ carries a current ′I′. It is unwound and rewound to make another coil of radius ′R/2′, current ′I′ remaining the same. Calculate the ratio of the magnetic moments of the new coil and original coil.

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