MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics Question and Answers Thyristor Mounting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Pav x ( jc + cs + sA) = |
| A. | Maximum specified temperature |
| B. | Energy lost |
| C. | Difference in temperature between junction & ambient |
| D. | Sum of junction & ambient temperature |
| Answer» D. Sum of junction & ambient temperature | |
| 2. |
The sink to ambient thermal resistance of SCR sA |
| A. | depends on the flatness of the device |
| B. | depends on the length of the device |
| C. | depends on the current carrying capabilities |
| D. | is independent on thyristor configuration |
| Answer» E. | |
| 3. |
The total thermal resistance between junction and ambient jA is 10 C/W. jc is 2 C/W. cs is 4 C/W. sA = ? |
| A. | 4 C/W |
| B. | 2 C/W |
| C. | 10 C/W |
| D. | 16 C/W |
| Answer» B. 2 C/W | |