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May 2022 StudentZone Quiz Solution

Question 1:

How does the SCR differ from an ordinary rectifier diode?

Answer 1:

The difference between a SCR and a rectifier diode consists of:

  • The SCR is a 3-terminal device while the diode is a 2-terminal device
  • The SCR is a controlled turn on device, while the diode is an uncontrolled rectifying device.