A compass needle points 20° E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a building, it points 56° E of N. What is the magnitude and direction of the current in the wire? The Earth's field there is 0.5 x 10^-4 T and is horizontal.
???? A - downward
A compass needle points 20° E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a building, it points 56° E of N. What is the magnitude and direction of the current in the wire? The Earth's field there is 0.5 x 10^-4 T and is horizontal.
???? A - downward
...cm to the east of a.....? A compass needle points 20° E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a building, it points 56° E of N. What is the magnitude and direction of the current in the wire? The Earth's field there is 0.5 x 10^-4 T and is...
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