Q133
Two identical copper wires W1 and W2 placed in parallel as shown in the figure, carry currents I and 2I, respectively, in opposite directions. If the two wires are separated by a distance of 4r, then the magnitude of the magnetic field \[ B \] between the wires at a distance r from W1 is
Two identical copper wires W1 and W2 placed in parallel as shown in the figure, carry currents I and 2I, respectively, in opposite directions. If the two wires are separated by a distance of 4r, then the magnitude of the magnetic field between the wires at a distance r from W1 is
A.
B.
C.
D.
Answer
Answer: Option D
Solution
Answer: Option D
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