(II) A circular coil 12.0 cm in diameter and containing

Chapter 20, Problem 54P

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Problem 54P

(II) A circular coil 12.0 cm in diameter and containing nine loops lies flat on the ground. The Earth’s magnetic field at this location has magnitude 5.50 X 10-5 T and points into the Earth at an angle of 56.0° below a line pointing due north. If a 7.20-A clockwise current passes through the coil, (a) determine the torque on the coil, and (b) which edge of the coil rises up: north, east, south, or west?

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