SCR will be turned off when anode current is

SCR will be turned off when the anode current is:

  1. Less latching current but greater than holding current and gate signal is 0
  2. Less than holding current
  3. Both of these
  4. None of these

Correct answer: 3. Both of these

Also read: Basic construction and working of SCR

Explanation: If anode current is in between holding current and latching current then SCR is off only if gate signal is absent. When anode current is below holding current then it is properly turned off.

Also see: Top 10 MCQs on SCR

You might want to see: Power Electronics MCQs

The video below explains the working of SCR:

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