Two thin long parallel wires separated by a distance 'b' are carrying a current i ampere…

Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism

1. \(\frac{\left.\mu_{n}\right|^{2}}{b^{2}}\)
2. \(\frac{b_{a} 1^{2}}{2 \pi b}\)
3. \(\frac{\mu_{a} i}{2 \pi b}\)
4. \(\frac{\mu_{a} a^{i}}{2 \pi b^{2}}\)

Answer

(B) b_ a 1^ 2 2 b

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