Two parallel wires apart carry currents of 1 A and 3 A respectively in opposite directions. The force per unit length acting between these two wires is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The force per unit length acting between two parallel wires carrying currents and
and placed a distance
apart is
Here,
As the currents are in opposite directions, so f is repulsive.
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