A diac is used to? Mark as favorite Copy Link trigger a triac commutate a triac increase efficiency of a triac protect a triac Check Answer
…….. diode is suitable for very low power oscillators only? Mark as favorite Copy Link IMPATT Tunnel Gunn All of the above Check Answer
R-C triggering is preferred over resistance triggering process because it provides? Mark as favorite Copy Link larger value of firing angle protects the device from getting damaged causes quick triggering provides accurate firing Check Answer
In the reverse biased condition of an SCR? Mark as favorite Copy Link two out of three junctions are reverse biased one out of three junctions is reverse biased all the three junctions are reverse biased all the three junction are forward biased Check Answer
When the gate current of an SCR in increased, the forward breakdown voltage will? Mark as favorite Copy Link not be affected decrease increase become zero Check Answer
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
With reference to a triac which of the following statements is correct? Mark as favorite Copy Link It conducts when triggered in one direction It conducts when not triggered It conducts when not triggered in both directions None of the above 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
The moment an SCR starts conducting? Mark as favorite Copy Link heavy voltage drop takes place across the device it acts like a short-circuited device it acts like an open circuited device small amount of current starts flowing through the device Check Answer