Electrical Engineering MCQs – Power Electronics MCQ Questions Part 8
Contents
- 1 Which of below mentioned does not belong to class of power transistors
- 2 The latching current of SCR is 20 mA. Its holding current will be
- 3 Which of below mentioned is normally ON device
- 4 Which of following is most appropriate power device for high frequency (>100 KHz) switching application
- 5 Which of following is used to protect SCR against over current
Which of below mentioned does not belong to class of power transistors
Which of below mentioned does not belongs to class of power transistors
- COOLMOS
- IGBT
- SITS
- TRIAC
Correct answer: 4. TRIAC
The latching current of SCR is 20 mA. Its holding current will be
The latching current of SCR is 20 mA. Its holding current will be
- 10 mA
- 40 mA
- 60 mA
- 95 mA
Correct answer: 1. 10 mA
Which of below mentioned is normally ON device
Which of below mentioned is normally ON device
- BJT
- IGBT
- SIT
- TRIAC
Correct answer: 3. SIT
Which of following is most appropriate power device for high frequency (>100 KHz) switching application
Which of following is most appropriate power device for high frequency (>100 KHz) switching application
- BJT
- Microwave transistor
- Power MOSFET
- Schottky diode
Correct answer: 3. Power MOSFET
Which of following is used to protect SCR against over current
Which of following is used to protect SCR against over current
- CB and fuse
- Heat sink
- Snubber circuit
- Voltage clamping device
Correct answer: 1. CB and fuse