What is the purpose of an ammeter in a circuit?

An ammeter is used to measure the electric current flowing through a circuit.

It is always connected in series with the components of the circuit so that the same current passing through the circuit also flows through the ammeter. This ensures accurate measurement.

An ammeter is designed with very low resistance so that it does not significantly affect the flow of current while measuring it.

The readings are usually given in amperes (A), which is the SI unit of electric current. Ammeters are essential for monitoring, testing, and analyzing electrical circuits.