MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Potential transformers are ____________ |
| A. | step up transformers |
| B. | step down transformers |
| C. | can be of any type according to the application |
| D. | step up and step down transformer |
| Answer» C. can be of any type according to the application | |
| 2. |
Potential transformers are ___________? |
| A. | step up transformers |
| B. | step down transformers |
| C. | can be of any type according to the application |
| D. | step up and step down transformer |
| Answer» C. can be of any type according to the application | |
| 3. |
Which of the following is most important way to reduce errors in PT? |
| A. | Low magnetizing current |
| B. | High magnetizing reactance |
| C. | Low loss |
| D. | High burden |
| Answer» E. | |
| 4. |
How low reactance condition is achieved in potential transformer? |
| A. | By using minimum number of turns |
| B. | By varying thickness of wire |
| C. | By interlacing both windings on same limb |
| D. | By other methods |
| Answer» D. By other methods | |
| 5. |
Stray capacitance susceptance has a strong shunting effect in _________________ |
| A. | IF region |
| B. | LF region |
| C. | HF region |
| D. | In all regions |
| Answer» D. In all regions | |
| 6. |
Magnetizing susceptance is low in __________________ |
| A. | IF region |
| B. | LF region |
| C. | HF region |
| D. | In all regions |
| Answer» C. HF region | |
| 7. |
Stray capacitance in the IF region acts as __________ |
| A. | closed circuit |
| B. | open circuit |
| C. | first close then open circuit |
| D. | first open then close circuit |
| Answer» C. first close then open circuit | |
| 8. |
Which of the following is the most desirable frequency response for audio frequency transformers? |
| A. | Rising |
| B. | Flat-topped |
| C. | Decreasing |
| D. | Depends on the application |
| Answer» C. Decreasing | |
| 9. |
Audio frequency transformers are used ________________ |
| A. | Input stage of audio frequency electronic amplifier |
| B. | Intermediate stage of audio frequency electronic amplifier |
| C. | Output stage of audio frequency electronic amplifier |
| D. | Anywhere in the amplifier circuitry |
| Answer» D. Anywhere in the amplifier circuitry | |