Power Electronics MCQ Part 1.
Electrical Engineering Multiple Choice Questions on Power Electronics
Which of the following is an example of uncontrolled power semiconductor device
Which of the following is an example of uncontrolled power semiconductor device:
- BJT
- GTO
- Thyristor
- Diode
Correct answer: 4. Diode
Which of following is not a unidirectional current device
Which of following is not a unidirectional current device:
- SIT
- MCT
- IGBT
- GTO
Correct answer: 4. GTO
GTO is a bidirectional device while all the other three mentioned devices are unidirectional current devices.
Cycloconverters are
Cycloconverters are:
- AC to AC converters
- AC to DC converters
- DC to DC converters
- DC to AC converters
Correct answer: 1. AC to AC converters
Which of the mentioned power electronic devices require a pulse-gate signal for turning them on
Which of the mentioned power electronic devices require a pulse-gate signal for turning them on:
- BJT & MCT
- MCT & SITH
- SITH & SIT
- GTI and IGBT
Correct answer: 2. MCT & SITH
DC choppers are
DC choppers are:
- AC to AC converters
- AC to DC converters
- DC to DC converters
- DC to AC converters
Correct answer: 3. DC to DC converters