engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Digital Voltmeters 3 1/2 Digit DVM
A 20 V dc voltage is measured by analog and digital voltmeters. The analog instrument is on its 25 V range, and its specified accuracy is ±2%. The digital meter has 3 ½ digit display and an accuracy of ±(0.6% of reading + 1 count). The measurement accuracy in both the cases respectively are:
1
±2.5% and 0.65%
2
±2% and ±1.1%
3
±2% and 0.65%
4
±2.5% and 1.1%