# Circuit Theory EE6201 MJ2014 2nd Semester Question Paper

Anna University Question Paper Code :57018
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014. .
Second Semester
Electrical and Electronics Engineering
EE 6201 — CIRCUIT THEORY
(Common to ,Electronics and Communication Engineering, Electronics and Instrumentation Engineering, Instrumentatlorrand Control Engineering, Biomedical Engineering and Medical Electronics Engineering)
(Regulation 2013)

PART A (10 x 2 = 20 marks)

1: Find the equivalent resistance of the circuit shown in Fig.1.
2. Define- RMS voltage.
3. What is reciproCity theorem?
4. Why do you short circuit the voltage' source and open the current source when you find. TheveninTs voltage of a Network?
5. Define quality factor in the resonant circuit.
6. Determine the quality factor of a coil for .the series resonant circuit consisting .of R = 10 ohm, L = 0.1H, and C = 10 microfarad..
7: Distinguish between natural and forced response,
8. What is the time constant for RL and RC circuit?
9. Write the: effect of power factor in energy consumption billing. 10: DistingUish between unbalanced source and unbalanced load.