Question: A long horizontal wire carries an electric current I = 5 0 A . Point P is located at a distance 2 . 5 mm

A long horizontal wire carries an electric current I =50 A. Point P is located at a distance 2.5 mm above the current.
A)
What is the direction of the magnetic field at point P?
B)
What is the magnitude of the magnetic field at point P?

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