GNDU Principles of Electronics 2008 Question Paper

Guru Nanak Dev University
B.S.C Information Technology
Principles of Electronics
2009 Question Paper
Time:3 Hours
Minimum Marks:100.
1) Discuss conventional and center-tap rectifire. give their comparison.
2) a) compare metals, insulators and semiconductors.
b) discuss JEFT. give its characteristics and explain its working.
3) Explain following:-
a) de-morgan theroms
b) duality theorem
c) bias stability
d) importance of standard forms of midterms.
4) How self bias controls the q-factors of a transistors against variations in temperature, voltage etc.?
device expression for q-factor.
5) a) simplify:
f=pie(m) (2,5,10,12,13).
b) discuss universal gates.
6) Design BCD to grey converter.
7) a) What are de-morgan's theorems ?
b) state and prove thevenin's theorems giving an example.
8) What are the following used for :-
a) shunt capacier filter
b) choke input LC filter
c) capacitor input (pie) filter.