Question 8

A coil of wire (2.0cm x 3.0cm, 5 turns) is placed in a uniform magnetic field of 0.20 T and connected to a 0.10 ampere power supply. When the coil is horizontal, what is the magnitude of the torque on the coil about the axis AB ?

• A. Zero
• B. 0.003 N*m
• C. 0.006 N*m
• D. 6*10^(-5) N*m
• E. 1.2*10^(-5) N*m
• F. 1.2*10^(-4) N*m
• G. None of the above

Formula Sheet

Question 7

Question 9

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