A Flat Coil Containing 25 Identical Loops Carries 6

question 15

Short Answer

A flat coil containing 25 identical loops carries 6.4 A of current. When it is placed in a uniform magnetic field of 0.22 T that is oriented parallel to the plane of the coil, the magnetic torque on it is 3.7 N ∙ m.
(a) What is the magnetic moment of the coil?
(b) What is the area of each loop?

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