A current loop is oriented in three different positions relative to a uniform magnetic field. In position 1 the plane of the loop is perpendicular to the field lines. In position 2 and 3 the plane of the loop is parallel to the field as shown. The torque on the loop is maximum in
A. position 1.
B. position 2.
C. position 3
D. positions 2 and 3.
E. all three positions.
Answer: D
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a.
b.
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