An SCR is considered to be a semi-controlled device because [GATE 2009 – McqOptions

MCQOPTIONS

1.	An SCR is considered to be a semi-controlled device because [GATE 2009]
A.	It can be turned OFF but not ON with a gate pule
B.	It conducts only during one half-cycle of an alternating current wave
C.	It can be turned ON but not OFF with a gate pulse1
D.	It can be turned ON only during one half-cycle of an alternating voltage wave
Answer» D. It can be turned ON only during one half-cycle of an alternating voltage wave

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