Resolution and Sensitivity

Electrical Measurements

This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Resolution and Sensitivity”.

1. Resolution of a DVM is given by ____________
a) R = 110n
b) R = 1
c) R = 10n
d) R = n10

2. What is the resolution for a 3 digit display?
a) 1 %
b) 0.1 %
c) 0.001 %
d) 10 %

3. Sensitivity is largest change in input.
a) True
b) False

4. Sensitivity of a DVM is given by ______________
a) S = 1
b) S = (fs)min
c) S = (fs)min × R
d) S = R

5. What is the resolution of a 3 digit display on 1 V range?
a) 1 V
b) 0.1 V
c) 0.01 V
d) 0.001 V

6. How is 11.87 V displayed on a 10 V range for a 4 digit display?
a) 11.870
b) 1.1870
c) 118.7
d) 0.1187

7. Consider a 3 digit display for a DVM with an accuracy of ± 0.5 % for a reading of ± 1 digit. Compute the error for 5 V reading on a 10 V range.
a) ± 10 V
b) ± 0.035 V
c) ± 0.05 V
d) ± 1 V

8. Clock pulses are controlled ______
a) automatically
b) using microcontrollers
c) using valves
d) manually

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