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### ECE :: Network Analysis and Synthesis

1. In a parallel resonant circuit, the circuit current at resonance is maximum.

2.  A. True B. False

3. The rms value of wave in figure is

5. An RLC series circuit is underdamped. To make it overdamped, the value of R

6.  A. has to be increased B. has to be decreased C. has to be increased to infinity D. has to be reduced to zero

7. Henry is equivalent to

8.  A. Volts/Ampere B. Weber/Volt C. Weber/Ampere D. Weber/Ampere2

9. In a minimum function

10.  A. the degree of numerator and denominator are equal B. the degree of numerator and denominator are unequal C. the degree of numerator is one more than degree of denominator D. the degree of numerator is one less than degree of denominator

11. When a current source I is suddenly connected across a two terminal relaxed RC circuit at time t = 0, the voltage across the current source is shown in figure. The RC circuit is

12.  A. a series combination of R and C B. a parallel combination of R and C C. a series combination of R and parallel combination of R and C D. a pure capacitor

13. The driving-point impedance Z(s) of a network has a pole-zero locations as shown in the figure. If Z(0) = 3, then Z (s) is

14.  A. B. C. D.

15. For a transmission line open circuit and short circuit impedances are 20 Ω and 5 Ω. Then characteristic impedance is

16.  A. 100 Ω B. 50 Ω C. 25 Ω D. 10 Ω

17. The terms RMS and average values apply only to sine waves.

18.  A. True B. False

19. The drift velocity of electrons is

20.  A. very small as compared to speed of light B. equal to speed of light C. almost equal to speed of light D. half the speed of light