railway DFCCIL Executive 2025 Mock Test Electrical and Electronics Measurements Indicating Instruments MI Instruments
The deflecting torque of a moving iron instrument is
1
\(I^2\frac{dL}{d\theta}\)
2
\(\frac{1}{2}I^2\frac{dL}{d\theta}\)
3
\(I\frac{dL}{d\theta}\)
4
\(\frac{1}{2}I\frac{dL}{d\theta}\)