defence exam Army Havildar SAC Mock Test Series 2025 Physics Current, Resistance and Electricity Electric Current
If an electron revolves in the path of radius of \(0.5 \times 10^{-10} m \) at a frequency of \(5 \times 10^{15} \) cycles \(S^{-1} \), then find the electric current in the circle.
1
0.4 mA
2
0.8 mA
3
1.2 mA
4
1.6 mA