What is the name of the device that measures electric current?

The device that measures electric current is an ammeter. An ammeter is specifically designed to quantify the flow of electric charge in a circuit, providing readings in units called amperes (amps). This measurement is crucial in electrical engineering and physics as it allows for the assessment of how much current is flowing through a conductor at any given time. Understanding the current is essential for diagnosing electrical issues, designing circuits, and ensuring safety measures are in place within electrical systems.

In contrast, a voltmeter measures the voltage (potential difference) across two points in a circuit, while an ohmmeter is used to measure resistance within a component or circuit. A thermometer, on the other hand, is completely unrelated as it measures temperature. Each of these devices serves a distinct purpose in the field of electronics and electrical measurements, underscoring the importance of the ammeter for measuring electric current specifically.