Explore topic-wise MCQs in Electrical Measurements.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.

1.

Clock pulses are controlled ______

A. automatically
B. using microcontrollers
C. using valves
D. manually
Answer» E.
2.

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
Answer» C. ± 0.05 V
3.

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
Answer» E.
4.

Sensitivity of a DVM is given by ______________

A. S = 1
B. S = (fs)min
C. S = (fs)min × R
D. S = R
Answer» D. S = R
5.

What is the resolution for a 3 digit display?

A. 1 %
B. 0.1 %
C. 0.001 %
D. 10 %
Answer» C. 0.001 %
6.

Resolution of a DVM is given by ____________

A. R = 1⁄10n
B. R = 1
C. R = 10n
D. R = n⁄10
Answer» B. R = 1
7.

Clock pulses are controlled _____?

A. automatically
B. using microcontrollers
C. using valves
D. manually
Answer» E.
8.

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
Answer» C. ¬¨¬®¬¨¬± 0.05 V
9.

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
Answer» B. 1.1870
10.

The resolution of a 3 digit display on 1 V range is

A. 1 V
B. 0.1 V
C. 0.01 V
D. 0.001 V
Answer» E.
11.

Sensitivity of a DVM is given by

A. S = 1
B. S = (fs)<sub>min</sub>
C. S = (fs)<sub>min</sub> √ó R
D. S = R
Answer» D. S = R
12.

Sensitivity is largest change in input.

A. True
B. False
Answer» C.
13.

For a 3 digit display the resolution is

A. 1 %
B. 0.1 %
C. 0.001 %
D. 10 %
Answer» C. 0.001 %
14.

Resolution of a DVM is given by

A. R = <sup>1</sup>‚ÅÑ<sub>10<sup>n</sup></sub>
B. R = 1
C. R = 10<sup>n</sup>
D. R = <sup>n</sup>‚ÅÑ<sub>10</sub>
Answer» B. R = 1