Consider a wire loop of area A lying on the xy-plane and carries current of magnitude I as shown. It is immersed in a region of uniform magnetic field of magnitude B directed to the +z axis. What is the work done by an external force if the loop is rotated 90° about the x-axis in the counter-
Consider a wire loop of area A lying on the xy-plane and carries current of magnitude I as shown. It is immersed in a region of uniform magnetic field of magnitude B directed to the +z axis. What is the work done by an external force if the loop is rotated 90° about the x-axis in the counter-
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Consider a wire loop of area A lying on the xy-plane and carries current of magnitude I as shown. It is immersed in a region of uniform magnetic field of magnitude B directed to the +z axis. What is the work done by an external force if the loop is rotated 90° about the x-axis in the counter-clockwise direction?
A. -2IAB
B. -IAB
C. 0
D. IAB
E. 2IAB
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