The intensity of magnetisation of a bar magnet is 5×10⁴ Am⁻¹. The magnetic length

The intensity of magnetisation of a bar magnet is 5×10⁴ Am⁻¹. The magnetic length and the area if cross- section of the magnet are 12 cm and 1 cm⁻² respectively. The magnitude of magnetic moment of this bar magnet (in SI unit) is

Options

(a) 0.6
(b) 1.3
(c) 1.2
(d) 2.4

Correct Answer:

0.6

Explanation:

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