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
31.
The voltage of the source in circuit shown __________ if i(t) = - 20e-2t is
Answer: Option
Explanation:
Voltage across capacitor = i(t) x 1 
- 20 e-2t
Current across capacitor = 
120 e-2t
Source current Is = iC (t) + iR(t)
120 e-2t - 20e-2t 100 e-2t
VR = 100 e-2t
33.33 e-2t, Vs = 100 e-2t - 20 e-2t - 33.33 e-2t
Vs = 46.6 e-2t volt.
32.
In an R-L-C series circuit, R = 2/L/C . If R is doubled
Answer: Option
Explanation:
Increase of resistance increases damping.
33.
The Gaussian filter characteristic figure is realizable.
Answer: Option
Explanation:
It is realizable because |log|H(jω)|| = ω2.
34.
A coil of resistance R and inductance L is connected in series with 10 mF capacitor. The resonant frequency is 1000 Hz. Another 10 F capacitor is connected in parallel with the above capacitor. The new resonance frequency will be
Answer: Option
Explanation:
Total capacitance increases and therefore ωr decreases.
35.
The circuit is figure, is in steady state with switch closed. At t = 0 switch is opened. The current i is
Answer: Option
Explanation:
The initial current through inductance is 
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