In the Figure, the Rectangular Loop Is Pivoted About One $0.060 \mathrm {~m}$

question 59

Short Answer

In the figure, the rectangular loop is pivoted about one side (of length $0.060 \mathrm {~m}$ ), that coincides with the $y$ -axis. The end (length $0.020 \mathrm {~m}$ ) of the loop that lies in the $x z -$ plane makes an angle of $37 ^ { \circ }$ with the $x$ -axis as shown. The loop carries a current of $I = 69 \mathrm {~A}$ in the direction shown. (In the side of the loop that is along the $y$ -axis the current is in the $+ y$ direction.) If there is a uniform magnetic field of magnitude $9.7 \mathrm {~T}$ in the $- x$ direction, find the magnitude of the torque that this magnetic field exerts on the loop.

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