Power Electronics MCQs: Top 7 Basic Power Electronics MCQs you should Never Forget

Today you’ll learn the top 7 Basic MCQs that are most important for everyone studying Power Electronics. Test your basic knowledge of power electronics.

Inverter performs conversion from

a. Inverter performs conversion from:

1. AC to DC
2. AC to AC
3. DC to DC
4. DC to AC

Answer: 4. DC to AC

All of these are types of power diodes

The output voltage in a ____________ regulator is always lower than input voltage

b. The output voltage in a ____________ regulator is always lower than input voltage:

1. Boost
2. Buck
3. Both of these
4. None of these

Answer: 4. Buck

SCR is a ________________ device

c. SCR is a ________________ device:

1. Uni-directional
2. Bi-directional
3. Tri-directional
4. Quad-directional

Answer: 1. Uni-directional

The load voltage in a four quadrant converter is

d. The load voltage in a four quadrant converter is:

1. Positive
2. Negative
3. Both of these
4. None of these

Answer: 3. Both of these

Triac is a _______________ device which __________ a Gate terminal

e. Triac is a _______________ device which __________ a Gate terminal:

1. Unilateral, contains
2. Bilateral, contains
3. Unilateral, does not contain
4. Bilateral ,does not contain

Answer: 2. Bilateral, contains

A DC Chopper is actually a

f. A DC Chopper is actually a:

1. DC to AC Converter
2. AC to DC Converter
3. AC to DC and then Back to DC converter
4. DC to DC Converter

Answer: 4. DC to DC Converter

A MOSFET is

g. A MOSFET is:

1. A Power transistor
2. A type of diode
3. A power diode
4. Not a transistor

Answer: 1. A Power transistor