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A circular loop with radius R and current I is placed in a uniform magnetic field that has strength B and is pointing out of the page. The loop makes an angle of 30° with respect to the +x-axis in such a way that the right hemisphere of the loop is above the ry-plane while the left hemisphere is below (see figure). What is the potential energy of the loop and the magnitude of the torque it experiences for this configuration? y A. U = -1.57(IBR²) T = 2.72(IBR?) C. U = +2.72(IBR²) T = 1.57(IBR?) B. U = +1.57(IBR?) T = 2.72(IBR?) D. U = -2.72(IBR?) T = 1.57(IBR)

A circular loop with radius R and current I is placed in a uniform magnetic field that has strength B and is pointing out of the page. The loop makes an angle of 30° with respect to the +x-axis in such a way that the right hemisphere of the loop is above the ry-plane while the left hemisphere is below (see figure). What is the potential energy of the loop and the magnitude of the torque it experiences for this configuration? y A. U = -1.57(IBR²) T = 2.72(IBR?) C. U = +2.72(IBR²) T = 1.57(IBR?) B. U = +1.57(IBR?) T = 2.72(IBR?) D. U = -2.72(IBR?) T = 1.57(IBR)

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A circular loop with radius R and current I is placed in a uniform magnetic field that has strength B and is pointing out of the page. The loop makes an angle of 30° with respect to the +x-axis in such a way that the right hemisphere of the loop is above the ry-plane while the left hemisphere is below (see figure). What is the potential energy of the loop and the magnitude of the torque it experiences for this configuration? y C. U = +2.72(IBR?) T = 1.57(IBR?) A. U = -1.57(IBR²) T = 2.72(IBR?) B. U = +1.57(IBR²) T = 2.72(IBR?) D. U = -2.72(IBR?) T = 1.57(IBR)
Transcribed Image Text:A circular loop with radius R and current I is placed in a uniform magnetic field that has strength B and is pointing out of the page. The loop makes an angle of 30° with respect to the +x-axis in such a way that the right hemisphere of the loop is above the ry-plane while the left hemisphere is below (see figure). What is the potential energy of the loop and the magnitude of the torque it experiences for this configuration? y C. U = +2.72(IBR?) T = 1.57(IBR?) A. U = -1.57(IBR²) T = 2.72(IBR?) B. U = +1.57(IBR²) T = 2.72(IBR?) D. U = -2.72(IBR?) T = 1.57(IBR)
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