MCQOPTIONS
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This section includes 11 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. |
Accuracy of a potentiometric DVM is ________ |
| A. | zero |
| B. | medium |
| C. | low |
| D. | high |
| Answer» E. | |
| 2. |
Slider movement depends on ________ |
| A. | current magnitude |
| B. | resistance magnitude |
| C. | voltage magnitude |
| D. | power magnitude |
| Answer» D. power magnitude | |
| 3. |
ACCURACY_OF_A_POTENTIOMETRIC_DVM_IS_________?$ |
| A. | zero |
| B. | medium |
| C. | low |
| D. | high |
| Answer» E. | |
| 4. |
Slider movement depends on _______? |
| A. | current magnitude |
| B. | resistance magnitude |
| C. | voltage magnitude |
| D. | power magnitude |
| Answer» D. power magnitude | |
| 5. |
Output of the comparator is known as ________ |
| A. | amplified signal |
| B. | error signal |
| C. | feedback signal |
| D. | attenuated signal |
| Answer» C. feedback signal | |
| 6. |
Feedback voltage is applied to the ________ |
| A. | comparator |
| B. | error amplifier |
| C. | potentiometer |
| D. | sliding contact |
| Answer» B. error amplifier | |
| 7. |
How is the reference voltage obtained? |
| A. | from a fixed current source |
| B. | from a variable voltage source |
| C. | from a variable current source |
| D. | from a fixed voltage source |
| Answer» E. | |
| 8. |
Unknown voltage is __________ |
| A. | converted to current |
| B. | boosted |
| C. | filtered |
| D. | measured using a voltmeter |
| Answer» D. measured using a voltmeter | |
| 9. |
In a potentiometric DVM, balance is obtained manually. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
How to obtain balance? |
| A. | by using a detector |
| B. | by changing the pot setting |
| C. | by supplying voltage |
| D. | by using a transformer |
| Answer» C. by supplying voltage | |
| 11. |
In a potentiometric DVM ________ |
| A. | voltage is compared |
| B. | current is compared |
| C. | resistance is compared |
| D. | power is compared |
| Answer» B. current is compared | |