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A thyristor can be termed as ______(a) AC switch(b) DC switch(c) Wave switch(d) Square wave switchI had been asked this question by my school principal while I was bunking the class.Enquiry is from Power BJTs in section Differential and Multistage Amplifiers of Electronic Devices & Circuits

Answer»

Right answer is (B) DC switch

To explain I would say: THYRISTOR is a unidirectional DEVICE, that is it will only conduct current in ONE direction only, but unlike a DIODE, a thyristor can be operate as either ran open circuit switch or as a rectifying diode depending on how the thyristor gate is triggered.In other words, the thyristor can operate only in switching mode.



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