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Accuracy depends on external supply.

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in Electrical Measurements by (148k points)
Accuracy depends on external supply.

(a) True

(b) False

This question was addressed to me at a job interview.

Query is from Successive Approximation Type DVM in division Electronic Instruments of Electrical Measurements

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Correct option is (b) False

For explanation I would say: In a successive approximation type DVM, the accuracy is dependent on the internal reference supply. It also depends on the accuracy of the digital to analog converter that is used in the circuit.

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