Questions
If a magnet of length 10 cm and pole strength 40 Am is placed at an angle of in an uniform induction field of intensity , the couple acting on it is
detailed solution
Correct option is B
τ=MB sin θ = (mL) B sin θ=(40 x 10 x 10-2)x 2x 10-4sin45o= 0.565 x 10-3N mTalk to our academic expert!
Similar 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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