A Rectangular 30-Turn Coil of Wire,with Width of 12

question 56

Multiple Choice

A rectangular 30-turn coil of wire,with width of 12.0 cm along the y-axis and height of 25.0 cm along the z-axis,is placed in a uniform external magnetic field with an x-component of 0.0951 T and a y-component of 0.182 T.The coil is hinged along the y-axis and is located in the yz-plane.A current of 0.350 A flows through the wire.What is the magnitude of the torque that B exerts on the coil?

• A)0.0250 Nm
• B)0.0324 Nm
• C)0.0573 Nm
• D)0.0647 Nm
• E)0.0754 Nm

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