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A long horizontal wire carries 27.0 A of current due north. a) What is the net...

A long horizontal wire carries 27.0 A of current due north.

a) What is the net magnetic field 20.0 cm due west of the wire if the Earth's field there points downward, 44 ∘ below the horizontal, and has magnitude 5.0×10−5T?

b) How many degrees below the horizontal?

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