Which instrument is used to measure potential difference?
Answer and explanation
Correct answer: A. voltmeter
Potential difference is measured with a voltmeter.
Answer: voltmeter.
Why not the others: barometer: it measures atmospheric pressure. measuring cylinder: it measures volume of a liquid. ammeter: it measures electric current.
Answer: voltmeter.
Why not the others: barometer: it measures atmospheric pressure. measuring cylinder: it measures volume of a liquid. ammeter: it measures electric current.
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