The same amount of current I is flowing through two wires, labeled 1 and 2 in th

Question

The same amount of current I is flowing through two wires, labeled 1 and 2 in the figure, in the directions indicated by the arrows. In this problem you will determine the direction of the net magnetic field B? net at each of the indicated points (A - C). (Figure 1)

Part A

What is the direction of the magnetic field B? net at point C?

Part B

What is the direction of the magnetic field B? net at point B?

a.) B? net points out of the screen at C. b.) B? net points into the screen at C. c.) B? net points neither out of nor into the screen and B? net?0 at C. d.) B? net=0 at C.

Explanation / Answer

1) For C, the Bnet value points inside the plane of paper.

2) Bnet at B is zero since the currents in both the wires are equal and directions of forces are opposite.

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