A light activated silicon controlled rectifier is a? Mark as favorite Copy Link four-layer four-junction device four-layer three-junction device three-layer two-juction device two-layer two-junction device Check Answer
An SCR is a? Mark as favorite Copy Link four-layer four-junction device three-layer two-junction device four-layer three-junction device two-layer two-junction device Check Answer
A triac behaves like two? Mark as favorite Copy Link inverse parallel-connected SCRs with common gate resistors and one diode four-layer diodes in parallel diodes in series Check Answer
A UJT is a? Mark as favorite Copy Link three-terminal two-junction semiconductor device two-terminal two-junction semi conductor device three-terminal one-junction semiconductor device two-terminal one-junction semi conductor device Check Answer
The value of peak point current of a UJT is? Mark as favorite Copy Link very high very low high about 1.5 times that of valley point current Check Answer
A PNPN diode is a? Mark as favorite Copy Link negative resistance device current controlled device current controlled negative resistance device voltage controlled device Check Answer
A triac can be fired? Mark as favorite Copy Link only by the negative half cycle of the supply only by the positive half cycle of the supply both by the positive as well as the negative half cycles of the supply without any biasing Check Answer
An SCR may be turned OFF by? Mark as favorite Copy Link reversing polarity of its anode cathode voltage interrupting its anode current low-current dropout all of the above Check Answer
After firing an SCR, the gating pulse is removed. The current in the SCR will remain? Mark as favorite Copy Link the same rise a little and then fall to zero immediately fall to zero rise up Check Answer
Value of breakover voltage for the commonly used diacs is about? Mark as favorite Copy Link 52 V 22 V 78 V 32 V Check Answer