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. |
Solid State Relays (SSRs) have |
| A. | moving parts |
| B. | no moving parts |
| C. | a coil |
| D. | a contactor |
| Answer» C. a coil | |
| 2. |
A single-phase ac switch is used in between a 230 V source and load of 2 kW and 0.8 lagging power factor. Determine the rms current rating required by the SCR. Use the factor of safety = 2. |
| A. | 10.87 A |
| B. | 87 A |
| C. | 21.74 A |
| D. | 32 A |
| Answer» D. 32 A | |
| 3. |
___________ can be used as a dc static switch. |
| A. | GTO |
| B. | Transistor |
| C. | Both GTO and transistor |
| D. | TRIAC |
| Answer» D. TRIAC | |