Ammeters Definition: The devices which measures current in a circuit are called ammeters. An ammeter is connected in series with the circuit element whose current is to be measured. The basic principle of the ammeter is that the deflecting torque is produced when current flows through their operating coils. In ammeter the deflecting torque is … Read more

Electrical Measuring Instruments

Electrical Measuring Instruments Instruments used for measuring the physical as well as electrical quantities is termed as measuring instruments. Electrical measuring instruments may be classified according to their functions as Indicating Instruments Integrating Instruments Recording Instruments Indicating Instruments Those instruments which directly indicate the value of the electrical quantity at the time when it is … Read more