Moving Iron Type Instruments The general principle of working of […]

The permanent magnet moving coil (PMMC) instrument is the most […]

Damping Force When a deflecting force is applied to the […]

Controlling Force Controlling force. This force is required in an […]

Deflecting Force (i) Magnetic effect Consider a current carrying conductor […]

There are many ways in which instruments can be classified. […]

Class F Commutation Figure 48 shows the class F commutation […]

Class E commutation Figure 46 shows the class E commutation […]