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JEE Main20244 Apr 2024Evening ShiftPhysicsMagnetic Effects of CurrentActual

Two parallel long current carrying wire separated by a distance 2 r are shown in the figure. The ratio of magnetic field at A to the magnetic field produced at C is x 7 . The value of x is _____

Correct answer

0

Step-by-step solution

aligned & B _ A = ₀ i 2 r + ₀(2 i ) 2 (3 r ) = 5 ₀ i 6 r & B _ C = ₀(2 i ) 2 r + ₀ i 2 (3 r ) = 7 ₀ i 6 r & B _ A B _ C = 5 7 & x =5 aligned

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