A Flat Circular Coil Has 200 Identical Loops of Very

Question 115
Multiple Choice

A flat circular coil has 200 identical loops of very thin wire.Each loop has an area of 0.12 m2 and carries 0.50 A of current.This coil is placed in a magnetic field of 0.050 T oriented at 30° to the plane of the loop.What is the magnitude of the magnetic torque on the coil? A)0.25 N ∙ m B)0.52 N ∙ m C)2.5 N ∙ m D)5.2 N ∙ m