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وارد شوید

Physics for IGCSE & O level - Electricity (Section 2 - No. 47)

If you connect a voltmeter across a resistor, what does it measure?
The current through the resistor
The resistance of the resistor
The voltage across the resistor
The power dissipated by the resistor

توضیح

A voltmeter measures the voltage (potential difference) across the resistor.

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