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A circular coil of radius 10cm and 100 turns carries a current 1 A.

A circular coil of radius 10cm and 100 turns carries a current 1 A. What is the magnetic moment of the coil?

Options

(a) 3.142×10⁴ A-m²
(b) 10⁴ A-m²
(c) 3.142 A-m²
(d) 3 A-m²

Correct Answer:

3.142 A-m²

Explanation:

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