A long bar magnet has a pole strength of 10 Am. Find the magnetic field at a point on the axis of the magnet at a distance of 5 cm from the north pole of the magnet.
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The magnetic field at a point on the axis of the magnet at a distance of 5 cm from the north pole of the magnet is
Explanation:
Step 1:
Given data in the question
Bar magnet's pole strength, m = 10 A-m
Range from the position of the bar magnet to the north pole, r = 5 cm = 0.05 m
Step 2:
We know that,
Due to magnetic charge, the magnetic field is
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