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Poles of a Magnet

The pole stre...

Question

The pole strength of a magnet is 40 Am. Calculate the magnetic intensity at a distance of 20cm.

79.54 Am^-1

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99.54 Am^-1

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69.54 Am^-1

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89.54 Am^-1

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Solution

The correct option is A
79.54 Am^-1

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Similar questions

A magnet has a pole strength of 1000 milli amp.m. The magnetic field intensity at a distance of 10 cm from its North pole is

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