Question

# Two very long, straight wires carrying currents as shown in figure. Find all locations where the net magnetic field is zero. A
y=2x
B
y=x
C
y=x
D
y=(x/2)
Solution
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#### Along the dashed line, →B1 and →B2 are in opposite directions. If the line has slope −1.00, then r1=r2 and B1=B2. So, Bnet=0Hence, slope of the line dashed line is -1.⇒y=−x as the line passes through the origin making intercept zero.

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