Thyristor, PNPN Diode, and Silicon Controlled Rectifier (SCR)
Curriculum and historical examination lineage for Thyristor, PNPN Diode, and Silicon Controlled Rectifier (SCR) under Unit 2 (Power Devices and Fabrication) of Electronic System and PCB Design (21ECC101J) at SRMIST.
Historical appearance distribution across SRMIST Formative Tests (CT1, CT2) and University End Semester examinations.
Factual marks weightage of questions asked on this topic in historical examinations.
Question templates that recur across multiple examination cycles with similar conceptual stems.
“(a) Describe in detail the monolithic fabrication process. --- OR --- 13. (b) With a neat sketch,...”
“Elaborate on the operation of the Gunn diode and Schottky diode with neat diagrams. --- OR --- 22....”
“Describe the construction, working, and applications of Silicon Controlled Rectifier.”
“In order to turn on the SCR we need to provide appropriate ________. (a) Break over Voltage (b)...”
“The minimum current required to trigger the device from its off state to its on state is (a)...”
Representative historical questions extracted directly from SRMIST examination papers.
(b) With a neat sketch, Explain the construction, and working principle of a thyristor device.
Elaborate on the operation of the Gunn diode and Schottky diode with neat diagrams. --- OR --- 22. Describe the construction, working, and applications of Silicon Controlled...
Describe the construction, working, and applications of Silicon Controlled Rectifier.
In order to turn on the SCR we need to provide appropriate ________. (a) Break over Voltage (b) Anode current (c) Gate Current (d) Cathode Current
The minimum current required to trigger the device from its off state to its on state is (a) Holding Current (b) Latching Current (c) Gate current (d) Reverse current
Examinations where questions for Thyristor, PNPN Diode, and Silicon Controlled Rectifier (SCR) have appeared.
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