magnetism

Question: If a magnet of length 10 cm and pole strength 40 A-m is placed at an angle of $45^o$ in an uniform induction field of intensity $2 \times 10^{–4}T$, the couple acting on it is

1) $0.5656 \times 10^{–4} N-m$

2) $0.5656 \times 10^{–3} N-m$

3) $0.656 \times 10^{–4} N-m$

4) $0.656 \times 10^{–5} N-m$

Solution:

Explanation: No Explanation

Magnet and It's Properties

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