A compass needle points 28 E of N outdoors.However, when
Chapter 28, Problem 28.17(choose chapter or problem)
A compass needle points 28 E of N outdoors.However, when it is placed 12.0 cm to the east of a verticalwire inside a building, it points 55 E of N. What is themagnitude and direction of the current in the wire? TheEarths field there is 0.50 X 10-4 T and is horizontal.
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