Electronics and Communication Engineering - Networks Analysis and Synthesis
Exercise : Networks Analysis and Synthesis - Section 9
- Networks Analysis and Synthesis - Section 14
- Networks Analysis and Synthesis - Section 27
- Networks Analysis and Synthesis - Section 26
- Networks Analysis and Synthesis - Section 25
- Networks Analysis and Synthesis - Section 24
- Networks Analysis and Synthesis - Section 23
- Networks Analysis and Synthesis - Section 22
- Networks Analysis and Synthesis - Section 21
- Networks Analysis and Synthesis - Section 20
- Networks Analysis and Synthesis - Section 19
- Networks Analysis and Synthesis - Section 18
- Networks Analysis and Synthesis - Section 17
- Networks Analysis and Synthesis - Section 16
- Networks Analysis and Synthesis - Section 15
- Networks Analysis and Synthesis - Section 1
- Networks Analysis and Synthesis - Section 13
- Networks Analysis and Synthesis - Section 12
- Networks Analysis and Synthesis - Section 11
- Networks Analysis and Synthesis - Section 10
- Networks Analysis and Synthesis - Section 9
- Networks Analysis and Synthesis - Section 8
- Networks Analysis and Synthesis - Section 7
- Networks Analysis and Synthesis - Section 6
- Networks Analysis and Synthesis - Section 5
- Networks Analysis and Synthesis - Section 4
- Networks Analysis and Synthesis - Section 3
- Networks Analysis and Synthesis - Section 2
21.
In an underdamped RLC series circuit, the natural frequency is ωn. The frequency of damped oscillations is
Answer: Option
Explanation:
In underdamped circuit the frequency of oscillations is less than resonant frequency.
22.
The equivalent inductance measured between the terminals 1 and 2 for the circuit shown in the figure is
Answer: Option
Explanation:
L = L1 + L2 - 2M because currents are opposing.
23.
A dc network has 3 independent nodes and 4 loops. In total analysis, the number of equations is
Answer: Option
Explanation:
The number of nodal equations is one less than the number of independent nodes.
24.
In the circuit, S was initially open. At time t = 0, S is closed. When the current through the inductor is 6 A, the rate of change of current through the resistor is 6 A/s. The value of the inductor would be
Answer: Option
Explanation:
i = 18(1 - e-t/L) ...(1)
6 = 8 (1 - e-t/L) 1 = 3 (1 - e-t/L)
1 = 3 - 3 e-t/L
e-t/L = 2/3
from (1)
.
25.
A series circuit has R = 5 Ω and C = 10 μF. It is switched on to a 12 V dc battery at t = 0. The current in the circuit will be maximum
Answer: Option
Explanation:
In RC circuit excited by a dc battery of voltage E, 
and is maximum at t = 0+.
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