Which of the following devices should be used for accurate measurement – McqOptions

MCQOPTIONS

1.	Which of the following devices should be used for accurate measurementof low D.C. voltage ?
A.	small range moving coil voltmeter
B.	d.c. potentiometer
C.	small range thermocouple voltmeter
D.	none of the above
Answer» C. small range thermocouple voltmeter

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