Magnetic Moment: What is the magnetic moment of a rectangular loop having 120 turns that carries 6.0 A if its dimensions are 4.0 cm × 8.0 cm?

A. 0.23 A ? m2
B. 2.3 A ? m2
C. 23 A ? m2
D. 230 A ? m2


Answer: B

Physics & Space Science

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