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A long bar magnet has a pole strength of...

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 5cm from the north pole of the magnet.

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The correct Answer is:
`4.0 xx 10^(-4) T ` , away from the magnet
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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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