A Flat Circular Coil of Wire Having 200 Turns and Diameter

question 131

Multiple Choice

A flat circular coil of wire having 200 turns and diameter 6.0 cm carries a current of 7.0 A.It is placed in a magnetic field of
With the plane of the coil making an angle of 30° with the magnetic field.What is the magnitude of the magnetic torque on the coil?

• A)2.1 N ∙ m
• B)1.2 N ∙ m
• C)3.9 N ∙ m
• D)5.4 N ∙ m
• E)1.0 N ∙ m

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