Q. 134.1( 17 Votes )

A short bar magne

Answer :

Earth’s magnetic field at the given place, B = 0.36 G


The magnetic field at a distance d, on the axis of the magnet is given as:



The magnetic field at the same distance d, on the equatorial line of the magnet is given


as:


(NOTE: Refer the pictures of the previous question)



= B1/2


Hence the total magnetic field is B1 + B2 = B1 + B1/2 = (0.36 + 0.18) G = 0.54 G


The magnetic field is 0.54 G in the direction of earth’s magnetic field.


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