Power Electronics Daily Quiz #2

Which of the following is not the possible operating mode of a switch-

1. Forward Blocking- FB

2. Forward Conduction- FC

3. Reverse Blocking- RB

4. Reverse Conduction- RC

5. none

Which of the following supports all the possible modes of a switch-

1. DIAC

2. TRIAC

3. SCR

4. IGBT

Voltage Source Inverter does NOT need which of the following modes of a switch-

1 RB

2 RC

3 FB

4 FC

To increase the power rating of power diode, the area of ______ layer is increased.

1 n- layer

2 n+ layer

3 p- layer

4 p+ layer

To increase the power rating by means of one layer's area incresed, which of the following is the disadvantage of the above process-

1 less secure towards transients

2 allows more transient current

3 more On state voltage drop

4 no disadvantage

What happens during reverse recovery time-

1 polarity of the terminals are reversed

2 all the charges are recovered back

3 all the minority charges stored inside the devices are removed 

4 all the majority charges stored inside the devices are removed

Which of the following is not the type of Power diode on the basis of Reverse Recovery Time-

1 Rectifier diode

2 Shottkey diode

3 Fast Recovery Diode-FRD

4 Replaceable Recovery Diode