a)
field at point O is zero
B = 0
uI/2pix1.5d - u6/2pix0.5d = 0
I = 6x3
I = 18 A
at point C
Bc = u/2pix0.5d ( 18-6)
Bc = 0.000048 T
Two long, straight, parallel wires separated by a distance d carry currents in opposite directions as...
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