CBSE Class 10 Science 2019 · Paper 31/5/2 · Question 1
State the S.I. unit of potential difference and name the device used to measure it.
Answer
The S.I. unit of potential difference is the volt, and it is measured with a voltmeter.
The S.I. unit of potential difference is the volt (V), where . It is measured with a voltmeter, which is connected in parallel across the two points.
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