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Electrical Measurement & Instrumentation (EM&I) Quiz #3
- 25 Questions (Selected Randomly)
- 25 Marks (1 Mark/Question)
- 25 Minutes of Time
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- Answered
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Question 1 of 25
1. Question
The ‘Q’ meter works on the principle of …..
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Question 2 of 25
2. Question
Oscilloscope is basically a …..
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Question 3 of 25
3. Question
What is the approximate input impedance of a CRO?
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Question 4 of 25
4. Question
For displaying the high-frequency signal cathode ray tube should have …..
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Question 5 of 25
5. Question
In an oscilloscope screen, linear sweep is applied at the …..
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Question 6 of 25
6. Question
Lissajous pattern obtained on-screen of CRO can be used to determine …..
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Question 7 of 25
7. Question
Which of the following A/D converter is used in a Digital Storage Oscilloscope (DSO)?
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Question 8 of 25
8. Question
Which is the following digital voltmeter is most suitable to eliminate the effect of period noise?
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Question 9 of 25
9. Question
The precision of digital voltmeter depends on ……
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Question 10 of 25
10. Question
In a digital frequency meter, the Schmitt trigger is used for …..
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Question 11 of 25
11. Question
A frequency counter can be used for the measurement of …..
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Question 12 of 25
12. Question
Which of the following set of building blocks mainly decides the accuracy of the frequency counter?
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Question 13 of 25
13. Question
The output frequency of a decade counter that is clocked from a 50 kHz signal is …..
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Question 14 of 25
14. Question
Integrating principle in digital measurement is the conversion of …..
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Question 15 of 25
15. Question
A DVM measure …..
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Question 16 of 25
16. Question
The circuit generally used in the digital instruments to convert sine wave into rectangular pulse is a …..
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Question 17 of 25
17. Question
Spectrum analyzer is combination of ….
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Question 18 of 25
18. Question
The harmonic distortion percentage is accurately measured by the …..
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Question 19 of 25
19. Question
A dual-beam CRO …..
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Question 20 of 25
20. Question
Chopper stabilized DC amplifier type electronic voltmeter overcomes the effect of ……
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Question 21 of 25
21. Question
Vibration galvanometer and tuneable amplifier are used in …..
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Question 22 of 25
22. Question
Inductance is measured which one of the following?
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Question 23 of 25
23. Question
The voltage coil of a single phase house energy meter …..
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Question 24 of 25
24. Question
Which instrument is used to measure the small current of very high frequency?
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Question 25 of 25
25. Question
Which of the following instrument is commonly used to measure the primary current of the transformer connected to main?