KERALA UNIVERSITY Class 3 solid state devices Question Paper 2020

Practice authentic previous year questions for better exam preparation.

Sample Questions

(a) Draw and explain the drain characteristics of JFET.
(b) Derive the expression of drain current of MOSFET. $$ \text { ( } 6 \times 10=60 \text { Marks) } $$
Explain with neat diagrams. (i) Zener breakdown. (ii) Avalanche breakdown.
What are the effects of real surfaces on the threshold voltage of a MOS capacitor? Derive the threshold voltage equation of a real MOS capacitor?
(a) Explain the principle of operation of an IGBT.