Measuring of unknown voltage with a dc potentiometer loses its advanta – McqOptions

MCQOPTIONS

1.	Measuring of unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when
A.	primary circuit battery is changed
B.	standardisation is done to compensate for drift
C.	voltage is larger than range of potentiometer
D.	range reduction by factor of 10 is employed
Answer» E.

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