Electronics and Communication Engineering - Networks Analysis and Synthesis

11.
In figure, the switch is closed at t = 0 when current through inductor is 6 A, the rate of change of current through resistor is 6 A/s. The value of L is
1 H
2 H
3 H
4 H
Answer: Option
Explanation:

i = 18(1 - et/L) = 6; . Therefore, L = 2H.


12.
In figure, the switch is closed at t = 0. At t = 0+, di/dt = 4 A/s. Then V =
10 V
20 V
40 V
80 V
Answer: Option
Explanation:


13.
In figure V is ideal voltmeter having infinite resistance. It will read __________ volt.
40
60
0
100
Answer: Option
Explanation:


14.
The equivalent inductance seen at terminals A - B is
14 H
20 H
10 H
4 H
Answer: Option
Explanation:


15.
For the lattice circuit shown in the figure Za = j2 Ω and Zb = 2 Ω. The values of the open circuit impedance parameters Z = are
Answer: Option
Explanation:

Z parameter equations are

V1 = I1 Z11 + I2 Z12

V2 = I1Z21 + I2Z22

.