KERALA UNIVERSITY Class 3 solid state devices Question Paper 2020

Practice authentic previous year questions for better exam preparation.

Sample Questions

Draw and explain the VI characteristics of PN junction diode.
Explain the different types of capacitances associated with a p-n junction.
A Si sample is doped with $10^{17} \mathrm{As}$ atoms $/ \mathrm{cm}^{3}$. What is the equilibrium hole concentration $p_{0}$ at 300 K ? Where is $\mathrm{E}_{\mathrm{F}}$ relative to $\mathrm{E}_{\mathrm{i}}$ ?
Explain the effect of temperature on mobility.
Draw and explain the energy band diagram of an Ohmic contact.