MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
A quartz crystal is _________ |
| A. | a chemical transducer |
| B. | a photoelectric transducer |
| C. | not a self-generating transducer |
| D. | a self-generating transducer |
| Answer» E. | |
| 2. |
Microphone converts light into heat. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
A piezoelectric transducer is used as an ignition source for a cigarette. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
When a compressive force is applied to a quartz crystal then ____________ |
| A. | positive charges are induced |
| B. | negative charges are induced |
| C. | no charge is induced |
| D. | both positive and negative charges are induced |
| Answer» B. negative charges are induced | |
| 5. |
Piezoelectric transducer is used for measuring __________ |
| A. | non-electrical quantities |
| B. | electrical quantities |
| C. | chemical quantities |
| D. | any quantity |
| Answer» B. electrical quantities | |
| 6. |
MICROPHONE_CONVERTS_LIGHT_INTO_HEAT.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
A_quartz_crystal_is__________$ |
| A. | a chemical transducer |
| B. | a photoelectric transducer |
| C. | not a self-generating transducer |
| D. | a self-generating transducer |
| Answer» E. | |
| 8. |
A piezoelectric transducer is used as an ignition source for a cigarette? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
A piezoelectric transducer has a _________ |
| A. | very high sensitivity |
| B. | low sensitivity |
| C. | high sensitivity |
| D. | zero sensitivity |
| Answer» D. zero sensitivity | |
| 10. |
In kitchen applications a piezoelectric crystal is used for _________ |
| A. | skimming milk |
| B. | lighting a gas stove |
| C. | grinding |
| D. | mixing |
| Answer» C. grinding | |
| 11. |
When a compressive force is applied to a quartz crystal |
| A. | positive charges are induced |
| B. | negative charges are induced |
| C. | no charge is induced |
| D. | both positive and negative charges are induced |
| Answer» B. negative charges are induced | |
| 12. |
Piezoelectric transducer consists of _________ |
| A. | copper rod |
| B. | aluminum wire |
| C. | gold crystal |
| D. | quartz crystal |
| Answer» E. | |
| 13. |
Piezoelectric crystals produce _________ |
| A. | no voltage |
| B. | low voltage |
| C. | high voltage |
| D. | very high voltage |
| Answer» D. very high voltage | |
| 14. |
Piezoelectric crystals __________ |
| A. | float on water |
| B. | dissolve in water |
| C. | are not soluble in water |
| D. | absorb water |
| Answer» C. are not soluble in water | |
| 15. |
Piezoelectric transducer is used for measuring |
| A. | non-electrical quantities |
| B. | electrical quantities |
| C. | chemical quantities |
| D. | any quantity |
| Answer» B. electrical quantities | |