Code: 13A02101
R13
B.Tech I Year (R13) Regular Examinations June/July 2014
--- Content provided by FirstRanker.com ---
ELECTRICAL CIRCUITS
(Electrical & Electronics Engineering)
Time: 3 hours
Max. Marks: 70
Part - A
--- Content provided by FirstRanker.com ---
(Compulsory Question)
Answer the following: (10 X 02 = 20 Marks)
- (a) What is passive element? Give examples for passive elements.
- (b) Define and explain coefficient of coupling.
- (c) Define the terms RMS value and form factor.
- (d) If Ra, Rb, Rc connected in star, write down the expressions for equivalent delta connection.
- (e) Define the band width and Q-factor.
- (f) Write short notes on Tieset and cutset.
- (g) State the Milliman's theorem.
- (h) Define and explain two port networks.
- (i) Define the time constant of RL and RC circuits.
- (j) Write down any two applications of Fourier transforms.
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
Part - B
(Answer all five units, 05 X 10 = 50 Marks)
UNIT - I
--- Content provided by FirstRanker.com ---
- (a) Derive an expression for total inductance of two coupled coils connected in:
- (i) series aiding mode and
- (ii) series opposing mode.
- (b) Find the current through each element in the network as shown in figure given below using star delta transformation.
This download link is referred from the post: JNTU Anantapur B-Tech 4-2 last 10 year question papers 2010 -2020 -All regulation- All branches- 4th Year 2nd Sem
--- Content provided by FirstRanker.com ---