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À magnet is parallel to a uniform magnetic field.if it is rotated by 53 o from the direction of magnetic field,the woek done is 16 J.how much work is done to move it 37 o further from the direction of magnetic field?
Work done = W = MB (cos θ1 – cos θ2) As per the questionð 16 = MB (cos 0o – cos 53o)ð MB =16/0.4 = 40 Now the work done in moving 37o more would be W = 40 (cos 53o - cos 90 o) = 24 J
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