A Circular Loop of Diameter 10 Cm, Carrying a Current

question 33

Multiple Choice

A circular loop of diameter 10 cm, carrying a current of 0.20 A, is placed inside a magnetic field = 0.30 T
) The normal to the loop is parallel to a unit vector
= -0.60 î - 0.80 ĵ. Calculate the magnitude of the torque on the loop due to the magnetic field.

• A) 4.7 × 10^-4 N ∙ m
• B) 2.8 × 10^-4 N ∙ m
• C) 0.60 × 10^-4 N ∙ m
• D) 1.2 × 10^-4 N ∙ m
• E) zero

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