A 30 cm long bar magnet is placed in the...

A 30 cm long bar magnet is placed in the magnetic meridian with its north pole pointing south. The neutral point is obtained at a distance of 40 cm from the centre of the magnet. Pole strength of the magnet is (The horizontal component of earth’s magnetic field is 0.34 Gauss)

26.7 Am

16.7 Am

12.7 Am

15.2 Am

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