Question

A coil of 100 turns, carrying a current of 5A, is placed in a magnetic field of 2T. The area of each turn is 0.01 m\(^2\). What is the magnetic moment of the coil?

• A. 0.5 Am\(^2\)
• B. 5 Am\(^2\)
• C. 2 Am\(^2\)
• D. 1 Am\(^2\)

Hint:

Remember: The magnetic moment of a coil is directly proportional to the number of turns, the current, and the area of each turn.