Why is an SCR described as a semi-controlled device?

1. A Option A: It can be turned ON only during one half cycle of AC
2. B Option B: It can be turned ON but not OFF with a gate pulse
3. C Option C: It conducts only during one half cycle of an alternating current wave
4. D Option D: It can be turned OFF but not ON with a gate pulse

Answer checked 11 October 2026 · How we write and check questions