Magnetic field due to currentEasy
Question
Two thin long parallel wires separated by a distance b are carrying a current i amp each. The magnitude of the force per unit length exerted by one on the other is
Options
A.
B.
C.
D.
Solution
length between two wires carrying currents i1 and i2 at distance r is given by :
Here, i1 = i2 = i
and r = b
∴
Here, i1 = i2 = i
and r = b
∴
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