C Secure https:/ session masteringphysics.com 77105416 General Physics with Lab

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C Secure https:/ session masteringphysics.com 77105416 General Physics with Lab II Magnetic Forces Problem 33.39 Problem 33.39 Part A A square current loop 5.10 cm on each side carries a What is the magnitude of the torque on the current loop? 530 mA current. The loop is in a 1.20 T uniform magnetic field. The axis of the loop, perpendicular to the plane of the loop, is 30° away from the field direction. Submit My Answers Give Up Web-Fonts not available sing image fonts instead Help Close K previous l 6 of 6 l return to assignment Provide Feedback Continue

Explanation / Answer

Torque=I(AXB)=IABsin(theta)

Current=I=530mA=0.53A

Area=A=5.1*5.1*10^-4=0.002601 m2

Magnetic Field=B=1.2T

sin(theta)=sin30=0.5Torque=IABsin(theta)=0.53*0.002601*1.2*0.5=0.000827118Nm=8.27*10^-4 Nm

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