The ratio of the magnetic fields at dist...

The ratio of the magnetic fields at distances 30 cm and 60 cm respectively from the center of a bar magnet is 25 : 2 . Determine the length of the magnet .

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30 cm

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CHHAYA PUBLICATION-Magnetic Properties of Materials -EXERCISE (Problem Set - I )

The ratio of pole- strengths of two like magnetic poles is 9 : 1 and t...
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A small bar magnet is place horizontally in the magnetic meridian wit...
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