Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 2 (Q.No. 34)
34.
Measuring of unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when
primary circuit battery is changed
standardisation is done to compensate for drift
voltage is larger than range of potentiometer
range reduction by factor of 10 is employed
Answer: Option
Explanation:

When volt ratio box is used to reduce range, the advantage of open-circuit measurement is lost.

Discussion:
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