magnetism

Question: The dipole moment of a short bar magnet is $1.25 A-m^2$. The magnetic field on its axis at a distance of 0.5 metre from the centre of the magnet is

1) $1.0 \times {10^{ - 4}}Newton/amp - meter$

2) $4 \times {10^{ - 2}}Newton/amp - metre$

3) $2 \times {10^{ - 6}}Newton/amp - metre$

4) $6.64 \times {10^{ - 8}}Newton/amp - metre$

Solution:

Explanation: No Explanation

Magnet and It's Properties

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