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A magnet when placed perpendicular to a uniform field of strength experiences a maximum couple of moment . What is its magnetic moment?
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Correct option is A
τmaximum= MB⇒4 x10-5 =M x 10-4 ⇒M=0.4 Am2Similar Questions
The magnetic needle of a tangent galvanometer is deflected at an angle .The horizontal component of earth's magnetic field is along the plane of the coil. The magnetic induction produced by the coil at its center is
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