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JEE Main Physics Class 12 Magnetism and Matter Questions

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Question : 62

Total: 80

A short bar magnet is placed in the magnetic meridian of the earth with north pole pointing north. Neutral points are found at a distance of 30 cm from the magnet on the East – West line, drawn through the middle point of the magnet. The magnetic moment of the magnet in Am2 is close to: ( Given

=10−7 in SI units and BH= Horizontal component of earth’s magnetic field =3.6×10–5 tesla)

[Online April 11, 2015]

14.6
19.4
9.7
4.9

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