CS/B.Tech (ECE-OLD)/SEM-3/EC-301/2012-13
2012
SOLID STATE DEVICE
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for any ten of the following : 10X1 = 10
i) Which type of semiconductor is mostly used for forming transistor
a) Si b) Ge
c) Inp d) GaAs.
ii) Which type of capacitance is prominent in reversed bias
a) diffusion b) depletion
c) none of these d) both of these.
iii) Which one of the following provides fastest switching
a) BJT b) MOSFET
c) JFET d) Diode.