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JEE Main202522 Jan 2025Evening ShiftPhysicsMagnetic Effects of CurrentActual

Two long parallel wires X and Y , separated by a distance of 6 cm , carry currents of 5A and 4A, respectively, in opposite directions as shown in the figure. Magnitude of the resultant magnetic field at point P at a distance of 4 cm from wire Y is x 10⁻⁵ ~T . The value of x is__________ . Take permeability of free space as ₀=4 10⁻⁷ SI units.

Correct answer

0

Step-by-step solution

aligned & B= ₀(5) 2 .01 - ₀ 4 2 0.04 & =- 100 ₀ 4 & =-100 10⁻⁷ & =-1 10⁻⁵ ~T aligned

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