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A Rectangular Coil (0

Question 64

Multiple Choice

A rectangular coil (0.12 m × 0.82 m) has 194 turns and is in a uniform magnetic field of 0.44 T.If the orientation of the coil is varied through all possible positions,the maximum torque on the coil by magnetic forces is 0.060 N⋅m.What is the current in the coil?


A) 0.75 mA
B) 1.4 A
C) 7.1 mA
D) 2.7 A
E) ​0.07 A

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