Three parallel wires, each carrying a current I (left and right
wire carry upward current and middle wire carries downward
current....but all wires have the same magnitude current). Four
points are identified on the picture as well. What are
the directions of the magnetic fields at the four points, starting
with point 1, then 2, etc.
1
Question options:
1: in, 2: in, 3: out, 4: out
1: in, 2: out, 3: out, 4: in
none of these
1: out,...