A 300-Turn Coil of Area 25 Cm² Is Placed in an 80

question 55

Multiple Choice

A 300-turn coil of area 25 cm² is placed in an 80 mT magnetic field. If the coil carries a current of 3.3 A and if the normal to the area of the coil makes an angle of 20° with the direction of the magnetic field, what is the magnitude of the torque on the coil?

• A) 0.20 N·m
• B) 0.19 N·m
• C) 0.072 N·m
• D) 0.068 N·m
• E) 0.039 N·m

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