engineering recuitment HAL Management & Design Trainee Mock Test 2023 Electrical and Electronics Measurements Basic Characteristics of an Instrument Guaranteed Accuracy Error
A 600 V full scale deflection voltmeter has an accuracy of ± 10%. When it reads 420 V the actual voltage is:
1
Exactly 420 V
2
Lies between 410 V to 430 V
3
Lies between 360 V and 480 V
4
Lies between 390 V to 450 V