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Two straight parallel conductors are 50c...

Two straight parallel conductors are `50cm` apart and carry oppositively directed currents, held perpendicular to the plane of paper as shown in figure. The current in first conductor, `I_1=20A` and in the second conductor is `I_2=24A`. A point P is separated from the first conductor by a distance of `40cm` and the second conductor by `30cm`. Calculate the magnetic field at point P.

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