A bar magnet has a length of 8 cm. The magnetic field at a point at a distance 3 cm from the centre in the broadside-on position is found to be 4 × 10–6 T. Find the pole strength of the magnet.
Given, ![]()
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we need to find the value of the pole strength of the magnetthe magnetic field due to the dipole on the equatorial point B is given by

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