Title: PE 6 SCR MC quiz
Course: 15/SP Power Electronics Theory (ELTR-2560-31) > Section: Learning Modules

Q: The main use for an SCR is as a  ____.
- amplifier
- rectifier
- filter
- DC switch
A: rectifier

Q: The current flow through an SCR is controlled by ____.
- continuous gate current
- a gate voltage (current) pulse
- proper anode cathode polarity
- anode cathode minimum holding current
- all of these a-d above
- some of these b-d
A: some of these b-d

Q: The SCR stands for ___.
- Sinewave Controling Rectifier
- Semiconductor Capcitive Resistor
- Semi-Controlled Rectifier
- Silicon Controlled Rectifier
A: Silicon Controlled Rectifier

Q: An SCR and common rectifier diode operate in the same manner except an SCR can______.
- conduct in reverse polarity
- invert the incomming waveform
- can be turned on with a gate pulse
- can be turned on and off with the gate
A: can be turned on with a gate pulse

Q: The current through an SCR is directly proportional to the current in the gate.
- true
- false
A: false

Q: The method of controling average DC voltage through a SCR rectifier circuit is called____.
- controlled rectification
- solid state controlled rectification
- phase control
- DC variability
A: phase control