Question 35

Which one of the following is not a measurable quantity ?

Name: Which one of the following is not a measurable quantity ?
Uploaded: 2026-05-12T14:38:13.606054+05:30
Duration: 1 min 31 s
Description: Which one of the following is not a measurable quantity ?

Solution

Voltage itself is not an absolute measurable quantity; only potential difference between two points can be measured.

A voltmeter always measures the difference in potential between two points, not the absolute potential at a single point.

Hence, “voltage difference” is measurable, but “voltage” (absolute potential) is not directly measurable.

Therefore, the correct answer is voltage.

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