Question

Accuracy of a DVM is ________

(a) low

(b) high

(c) medium

(d) zero

The question was posed to me in an interview.

My doubt stems from Performance Parameters of Digital Voltmeters topic in division Electronic Instruments of Electrical Measurements

Answer 1

Right option is (b) high

To elaborate: Accuracy of a DVM is based on the resolution. Resolution depends on the number of digits. The more the number of digits, the higher is the accuracy. For a DVM, the accuracy is of the order of ±0.005 % of the reading.