For node 1 in figure, KCL equation is none of the above i(t) is the incoming cur

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i(t) is the incoming current. The currents leaving node 1 are

For node 1 in figure, KCL equation is none of the above i(t) is the incoming current. The currents l

Networks Analysis and Synthesis problems

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1. A capacitor is needed for an ac circuit of 230 V, 50 Hz the peak voltage rating of the capacitor should be
Options
A. 230 V
B. 0.5 x 230 V
C. 2 x 230V
D. 230/2V

2. Two networks are cascaded through an ideal buffer. If t_d1 and t_d2 are delay times of network, the overall delay time is
Options
A. t_d1 + t_d2
B. t²_d1 + t²_d2
C. t_d1 + t_d2
D.

3. As compared to the number of network elements in Brune synthesis, the number of network elements Bott-and Duffin in realization is
Options
A. more
B. less
C. equal
D. any of the above

4. In the series circuit shown in figure, for series resonance, the value of the coupling coefficient, K will be
Options
A. 0.25
B. 0.5
C. 0.1
D. 1

5. The impedance of an RC series circuit is 12 ? at f= 50 Hz. At f= 200 Hz, the impedance will be
Options
A. more than 12
B. less than 3
C. more than 3 ? but less than 12 ?
D. more than 12 ? but less than 24 ?

6. Which of the following is correct for a driving point functions?
Options
A. The real parts of all poles must be negative
B. The real parts of all poles and zeros must be negative
C. The real parts of all poles and zeros must be negative or zero
D. The real parts of all zeros must be negative

7. For a transmission line open circuit and short circuit impedances are 20 ? and 5 ?. Then characteristic impedance is
Options
A. 100 ?
B. 50 ?
C. 25 ?
D. 10 ?

8. In figure, the current supplied by battery immediately after switching on the circuit is
Options
A. 1 A
B. 4 A
C. 10 A
D. 0

9. A cable has an insulation resistance of 10¹⁰ ohms. If the length is doubled, the insulation resistance will be
Options
A. 2 x 10¹⁰ ?
B. 0.5 x 10¹⁰ ?
C. 10¹⁰ ?
D. 4 x 10¹⁰ ?

10. A series RL circuit has . If a voltage 4 sint + 4t is applied, the steady state current will be
Options
A. 4 sin (4t - 45�)
B.
C.
D.

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