+2 votes
in JEE by kratos

Two long current carrying thin wires, both with current I, are held by insulating threads of length L and are in equilibrium as shown in the figure, with threads making an angle θ with the vertical. If wires .have mass λ per unit length then, the value of I is

(g = gravitational acceleration)

1 Answer

+1 vote
by kratos
 
Best answer

Correct Option(b)

Explanation:

Consider free body diagram of the wire.

As the wires are in equilibrium, they must carry current in opposite direction.

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