Some types of ammeter have a pointer on a dial, but most modern ammeters have a digital display. To measure the current flowing through a component in a circuit, you must connect the ammeter in ...

Or you can even put in a switch that can temporarily break the circuit. We can also add in some components that measure the current and the potential difference. An ammeter tells you the current ...

Ammeter needles will sometimes dance disconcertingly as a result. A potential problem with ammeters is they are live all the time and – in the case of some vehicles – are not circuit-protected ...