Which instrument measures electrical current?

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Multiple Choice

Which instrument measures electrical current?

Explanation:
Measuring current focuses on how much charge is flowing through a conductor, and the instrument built for that job is the ammeter. An ammeter is placed in series with the circuit so all the current flows through it, and it reads the flow in amperes. It’s designed with very low internal resistance so it doesn’t significantly affect the current it’s trying to measure. In contrast, a voltmeter measures voltage and is connected in parallel across a component, and an ohmmeter measures resistance when the circuit is de-energized. A blueprint or schematic is a diagram, not a measuring device. So the tool that measures electrical current is the ammeter.

Measuring current focuses on how much charge is flowing through a conductor, and the instrument built for that job is the ammeter. An ammeter is placed in series with the circuit so all the current flows through it, and it reads the flow in amperes. It’s designed with very low internal resistance so it doesn’t significantly affect the current it’s trying to measure. In contrast, a voltmeter measures voltage and is connected in parallel across a component, and an ohmmeter measures resistance when the circuit is de-energized. A blueprint or schematic is a diagram, not a measuring device. So the tool that measures electrical current is the ammeter.

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