MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The AC voltage controllers are used in __________ applications. |
| A. | power generation |
| B. | electric heating |
| C. | conveyor belt motion |
| D. | power transmission |
| Answer» C. conveyor belt motion | |
| 2. |
Earlier then the semiconductor technology, ___________ devices were used for voltage control applications. |
| A. | cycloconverters |
| B. | vacuum tubes |
| C. | tap changing transformer |
| D. | induction machine |
| Answer» D. induction machine | |
| 3. |
In AC voltage controllers the |
| A. | variable ac with fixed frequency is obtained |
| B. | variable ac with variable frequency is obtained |
| C. | variable dc with fixed frequency is obtained |
| D. | variable dc with variable frequency is obtained |
| Answer» B. variable ac with variable frequency is obtained | |