Magnetics 3 Question 6
6. Two thin long parallel wires separated by a distance are carrying a current ampere each. The magnitude of the force per unit length exerted by one wire on the other is
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 6. (b)
Solution:
- Force per unit length between two wires carrying currents
and at distance is given by