A circular coil of N Turns and diameter d carries a current I. It is unwound and rewound to make another coil of diameter `2d`, current I remaining the same. Calculate the ratio of the magnetic moments of the new coil and the original coil.

A circular coil of 'N' turns and diameter 'd' carries a current 'I'. It is unwound and rewound to make another coil of diameter '2d' and current 'I' remaining the same. Calculate the ratio of the magnetic moments of the new coil and the original coil.

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 the original coil.

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 the original coil.

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 the original coil.

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 the orginal coil

A 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 remaining the same. Calculate the ratio of magnetic moments of the new coil and the original coil.

A circular coil of n turns and radius R carries a current I. It is unwound and rewound to make another square coil of side ‘a’ keeping number of turns and current same. Calculate the ratio of magnetic moment of the new coil and the original coil.

A coil of n turns and radius R carries a current I it is unwound and rewound to make a new coil of radius (R )/(2) and the same current is passed through it what is the ratio of the magnetic moment of the new coil and the original coil ?