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The magnetic field at the centre of a circular coil carrying current I ampere is B.

The magnetic field at the centre of a circular coil carrying current I ampere is B. If the coil is bent into smaller circular coil of n turns, then its magnetic field at the centre is B’. The ratio between B’ and B is

Options

(a) (1:1)
(b) n:1
(c) n²:1
(d) 2n:1

Correct Answer:

n²:1

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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