Which of the following measurements using a dc potentiometer do not require standardisation of potentiometer? - Measurements and Instrumentation

Electronics and Communication Engineering (ECE) : Measurements and Instrumentation - Quiz(MCQ)

Which of the following measurements using a dc potentiometer do not require standardisation of potentiometer?

A)

Measurement of resistance

B)

Calibration of voltmeter

C)

Measurement of unknown voltage

D)

Measurement of unknown current

Correct Answer : Option (A) : Measurement of resistance

Explanation : Unknown resistance is compared with a standard resistance. Therefore standardisation of potentiometer is not necessary.

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B)

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