The following figures show wires carrying currents either into the page or out o

Question

The following figures show wires carrying currents either into the page or out of the page. For each, choose the direction of the total magnetic field at the origin (the wires are all the same distance from the origin and carry the same magnitude current, each wire is either on the line y = x or on the line y =

The following figures show wires carrying currents either into the page or out of the page. For each, choose the direction of the total magnetic field at the origin (the wires are all the same distance from the origin and carry the same magnitude current, each wire is either on the line y = x or on the line y = -x).

Explanation / Answer

current is outside the page

1st row third column i.e., 45 degree from positive x - axis

current is inside

3rd row 3rd column

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