MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Decrease in p.f. makes Vs to lead Vp. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Vp is leading in phase, while Vs is lagging in phase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
For a given Vp the Vs __________ |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | depends on the supply |
| Answer» C. remains constant | |
| 4. |
Increasing secondary burden _____________ |
| A. | increases Is |
| B. | decreases Is |
| C. | keeps Is constant |
| D. | decreases Ip |
| Answer» B. decreases Is | |
| 5. |
At constant voltage how is frequency affected by flux? |
| A. | decreases with increase in flux |
| B. | increases with decrease in flux |
| C. | remains constant |
| D. | depends on the current |
| Answer» C. remains constant | |
| 6. |
Decrease in p.f. makes Vs to lead Vp. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
How is the transformation ratio dependent on the secondary burden? |
| A. | decreases |
| B. | increases |
| C. | remains constant |
| D. | depends on the supply |
| Answer» C. remains constant | |
| 8. |
What is the effect of p.f. on secondary burden? |
| A. | I<sub>p</sub> shifts towards I<sub>o</sub> |
| B. | I<sub>p</sub> deviates from I<sub>o</sub> |
| C. | I<sub>p</sub> is independent of I<sub>o</sub> |
| D. | I<sub>p</sub> and I<sub>o</sub> cancel eachother |
| Answer» B. I<sub>p</sub> deviates from I<sub>o</sub> | |
| 9. |
Vp is leading in phase, while Vs is lagging in phase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
What is effect of the secondary burden on the ratio error? |
| A. | ratio error is constant with secondary burden |
| B. | ratio error decreases with secondary burden |
| C. | ratio error increases with secondary burden |
| D. | depends on the supply voltage |
| Answer» D. depends on the supply voltage | |
| 11. |
For a given Vp the Vs |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | depends on the supply |
| Answer» C. remains constant | |
| 12. |
Increasing secondary burden |
| A. | increases I<sub>s</sub> |
| B. | decreases I<sub>s</sub> |
| C. | keeps I<sub>s</sub> constant |
| D. | decreases I<sub>p</sub> |
| Answer» B. decreases I<sub>s</sub> | |