engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Moving Charges and Magnetism Force Between Two Parallel Currents
The force acting on unit length on unit parallel current carrying conductor:
1
zero
2
\(\frac{\mu_0}{2\pi} \frac{i_1i_2}{r}\)
3
\(\mu_0 \frac{i1^i2}{r^2}\)
4
\(\frac{i1^i2}{r}\)