MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
High flux density is due to less turns. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
How is the voltage ratio dependent on the frequency? |
| A. | they are independent of each other |
| B. | they aid each other |
| C. | they oppose each other |
| D. | depends on the setup of the circuit |
| Answer» D. depends on the setup of the circuit | |
| 3. |
Another method of eliminating the ratio error is _________ |
| A. | by reducing secondary turns |
| B. | by increasing the primary turns |
| C. | by increasing secondary turns |
| D. | by reducing the primary turns |
| Answer» B. by increasing the primary turns | |
| 4. |
Ratio error can be minimised by _________ |
| A. | reducing the turns |
| B. | reducing the current |
| C. | increasing the voltage |
| D. | using a good core material |
| Answer» E. | |
| 5. |
In a P.T. values of components of currents are negligible. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Ratio error in a P.T. depends on _________ |
| A. | secondary current |
| B. | primary voltage |
| C. | secondary current |
| D. | turns ratio |
| Answer» D. turns ratio | |
| 7. |
High flux density is due to less turns |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Leakage reactance is minimised by _________ |
| A. | using thin conductors |
| B. | reducing leakage flux |
| C. | increasing flux density |
| D. | shorting the windings |
| Answer» C. increasing flux density | |
| 9. |
Winding resistance of a P.T. can be reduced by _________ |
| A. | using thick conductors |
| B. | decreasing the length of the winding |
| C. | shorting the primary and secondary windings |
| D. | using thin conductors |
| Answer» B. decreasing the length of the winding | |