Physics, asked by tdevendrasai646, 10 months ago

a short bar magnet of moment 3.2 lies in the magnetic meridian with north pole pointing north B=0.4 gauss . the distance between the two neutral points is

Answers

Answered by Venkataiahpuppala

1

Explanation:

At null point, magnet's magnetic field is balanced by the earth's field.

r=20cm=0.2m

B magnet

=BH4πμ0r3M

=BH10−7 ∗(0.2)33.2

=4∗10−5T.

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