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Two long current carrying thin, wires, b...

Two long current carrying thin, wires, both with current I, are held by insultating of length L and are in equilibrium as shown in the figure, with threads as shown in the figure, with threads making an angle `theta` with the vertial. If the wires have mass `lambda` per unit lenght then the value of I is (g =gavitational acclearation)

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