Question: A compass needle points 17 E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a

A compass needle points 17° E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a building, it points 32° E of N. What is the magnitude and direction of the current in the wire? The Earth's field there is 0.50 × 10-4 T and is horizontal.

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