Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Thyristors can be turned off by gate control. Reason (R) : Thyristors require current to fall below holding current to turn off. In the light of the above statements, choose the most appropriate answer from the options given below :

• A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
• B. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• C. (A) is correct but (R) is not correct
• D. (A) is not correct but (R) is correct

Hint:

SCR characteristics: \[ \text{Gate controls TURN ON only} \] Turn OFF occurs when: \[ I_A < I_H \]

Answer 1

The Correct Option is D