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Refer to the figure below. A rectangular current loop, with dimensions a=5cm and b=4cm, is pivoted around the z-axis with an angle Φ=30o to the y-axis. The current I=2mA is directed by the red arrows as shown. Assume a magnetic field as shown in the figure, determine the torque.
a.) 3.46(az) μNm
b.) 2(az) μNm
c.) 3.46(-az) μNm
d.) 2(-az) μNm
e.) None of the above
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