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A Current of 20.0mA is maintained in a single
Circular loup of 2.70m Circumference- A magnetic
field 4 0-680 T is directed Parallel to the plane
of the loup.
a) calculate the magnetic moment of the loop
Canswer must be in mA·m²)
b) What is the magnitude of the torque
exerted by the magnetic field on the loup?
(answer in m N.m)

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