Electronics - Measurement, Conversion and Control
Exercise :: Measurement, Conversion and Control - General Questions
| 6. |
What is the zero-voltage switch used for? |
| A. |
To reduce radiation of high frequencies during turn-on of a high current to a load | | B. |
To control low-voltage circuits | | C. |
To provide power to a circuit when power is lost | | D. |
For extremely low-voltage applications |
Answer: Option A
Explanation:
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| 7. |
Temperature sensing can be achieved by the use of |
| A. |
thermocouples | | B. |
RTDs | | C. |
thermistors | | D. |
All of the above |
Answer: Option D
Explanation:
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| 8. |
The purpose of compensation for a thermocouple is |
| A. |
to decrease temperature sensitivity | | B. |
to increase voltage output | | C. |
to cancel unwanted voltage output of a thermocouple | | D. |
used for high-temperature circuits |
Answer: Option C
Explanation:
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| 9. |
The change in value of an analog signal during the conversion process produces what is called the |
| A. |
quantization error | | B. |
resolution error | | C. |
Nyquist error | | D. |
sampling error |
Answer: Option A
Explanation:
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| 10. |
Which of the following performance specifications applies to a sample-and-hold circuit? |
| A. |
Aperture time | | B. |
Aperture droop | | C. |
Feedback | | D. |
Acquisition jitter |
Answer: Option A
Explanation:
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