MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If anode current is 400 A, then the amount of current required to turn off the GTO is about ________ |
| A. | 20A |
| B. | 200A |
| C. | 400A |
| D. | 100A |
| Answer» E. | |
| 2. |
A thyristor can be termed as ______ |
| A. | AC switch |
| B. | DC switch |
| C. | Wave switch |
| D. | Square wave switch |
| Answer» C. Wave switch | |
| 3. |
The turn on time of an SCR with inductive load is 20 s. The pulse train frequency is 2.5 KHz with a mark/space ratio of 1/10, and then SCR will ______ |
| A. | Turn On |
| B. | Not turn on |
| C. | Turn on if inductance is removed. |
| D. | Turn on if pulse frequency is increased to two times |
| Answer» B. Not turn on | |
| 4. |
Which one is the most suitable power device for high frequency (>100 kHz) switching application? |
| A. | BJT |
| B. | Power MOSFET |
| C. | Schottkey diode |
| D. | Microwave transistor |
| Answer» C. Schottkey diode | |