Two long parallel wires carrying currents 8A and 15 A in opposite directions are placed at a distance of 7 cm from each other. A point P is at equidistant from both the wires such that the lines joining the point P to the wires are perpendicular to each other. The magnitude of magnetic field at P is x 10 -6 T. (Given: 
= 1.4)
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Magnetic fields due to both wires will be perpendicular to each other.
, 
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