An ammeter is an instrument used to measure the flow of electric current in a circuit. It is one of the most common tools in electrical work, helping electricians, students, and engineers understand ...

Current is a measure of how much electric charge flows through a circuit. The more charge that flows, the bigger the current. Current is measured in amperes. The symbol for ampere is A. For example, ...

This experiment will investigate how the brightness of bulbs changes depending on whether they are arranged in series or parallel. Circuit 3. Ammeter on each branch, voltmeter across each bulb Circuit ...