A Circular Coil of Wire of 200 Turns and Diameter

question 35

Multiple Choice

A circular coil of wire of 200 turns and diameter 6 cm carries a current of 7 A.It is placed in a magnetic field of 0.90 T with the plane of the coil making an angle of 30° with the magnetic field.What is the torque on the coil?

• A)3.1 N ∙ m
• B)1.8 N ∙ m
• C)5.9 N ∙ m
• D)8.2 N ∙ m
• E)1.5 N ∙ m

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