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A manetic needle is suspended at a dista...

A manetic needle is suspended at a distance of 1m from a short magnet on the eastern side on its axial line. The deflection produced is `30^(@)`. Calculate the horizontal component of earth's magnetic field if the magnetic moment of the magnet is `100 Am^(2)`

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The correct Answer is:
`[3.46 xx 10^(-5)T]`
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PHYSICS GALAXY - ASHISH ARORA-MAGNETIC EFFECTS OF CURRENT AND MAGNETISM-U.N.P
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