MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
What is the dependence of frequency on the balance equation? |
| A. | independent |
| B. | varies by a factor of 2 |
| C. | depends on the supply magnitude |
| D. | depends on the detector used |
| Answer» B. varies by a factor of 2 | |
| 2. |
How is the high voltage obtained? |
| A. | by using a step up transformer |
| B. | by using a high voltage source |
| C. | by using a step down transformer |
| D. | by using a high current source |
| Answer» B. by using a high voltage source | |
| 3. |
What is dependence of frequency on the balance equation? |
| A. | independent |
| B. | varies by a factor of 2 |
| C. | depends on the supply magnitude |
| D. | depends on the detector used |
| Answer» B. varies by a factor of 2 | |
| 4. |
What is the effect of breakdown of high voltage capacitor? |
| A. | No effect |
| B. | voltage drop across the circuit reduces |
| C. | circuit components rupture |
| D. | a high voltage appears across the branches |
| Answer» E. | |
| 5. |
How to minimize the effect of earth capacitance? |
| A. | by increasing the supply voltage |
| B. | by using a series resistance |
| C. | by using a Wagner ground connection |
| D. | by using an inductor across the circuit |
| Answer» D. by using an inductor across the circuit | |
| 6. |
How are the inter-capacitance errors minimized? |
| A. | by separating the plates of the capacitance |
| B. | by using earthing |
| C. | by reducing the area of cross section of the capacitors |
| D. | by increasing the distance between the capacitor plates |
| Answer» C. by reducing the area of cross section of the capacitors | |
| 7. |
Detector is very sensitive in a high voltage Schering bridge. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The detector used in a high voltage Schering bridge is _________ |
| A. | tunable circuit |
| B. | e.m.f source |
| C. | vibration galvanometer |
| D. | headphone |
| Answer» D. headphone | |
| 9. |
How is high voltage obtained? |
| A. | by using a step up transformer |
| B. | by using a high voltage source |
| C. | by using a step down transformer |
| D. | by using a high current source |
| Answer» B. by using a high voltage source | |
| 10. |
A Schering bridge can be used for capacitance measurements at low voltages. |
| A. | True |
| B. | False |
| Answer» C. | |