A current of 21.0 mA is maintained in a single circular loop of 1.40 m circumference. A magnetic field of 0.520 T is directed parallel to the plane of the loop. (a) Calculate the magnetic moment of the loop. mA m² (b) What is the magnitude of the torque exerted by the magnetic field on the loop? mN.m

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter30: Magnetic Fields And Forces
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A current of 21.0 mA is maintained in a single circular loop of 1.40 m circumference. A magnetic field of 0.520 T is directed
parallel to the plane of the loop.
(a) Calculate the magnetic moment of the loop.
mA. m²
(b) What is the magnitude of the torque exerted by the magnetic field on the loop?
Submit Answer
mN m
.
Transcribed Image Text:A current of 21.0 mA is maintained in a single circular loop of 1.40 m circumference. A magnetic field of 0.520 T is directed parallel to the plane of the loop. (a) Calculate the magnetic moment of the loop. mA. m² (b) What is the magnitude of the torque exerted by the magnetic field on the loop? Submit Answer mN m .
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