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Voltmeter
01
电表
a device used to measure the electric potential difference between two points in an electrical circuit
例子
A voltmeter indicated a low battery charge in the flashlight.
A voltmeter revealed a drop in voltage across the circuit due to a loose connection.
The researcher used a voltmeter to study the electrical activity of the brain.
The electrician used a voltmeter to check the voltage across the outlet.
The technician connected the voltmeter to the solar panel to measure its output.
