A long horizontal wire carries 130 a of current due north


Solve the given questions:

Question I: A long horizontal wire carries 13.0 A of current due north. What is the magnitude of the net magnetic field 19.9 cm due west of the wire if the Earth's field there points downward, 40.0° below the horizontal, and has magnitude 4.74E-5 T?

Question II: Calculate the angle relative to the horizontal with up as the positive direction.

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Physics: A long horizontal wire carries 130 a of current due north
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