Electronics and Communication Engineering - Networks Analysis and Synthesis
Exercise : Networks Analysis and Synthesis - Section 8
- 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
16.
If sequence currents Ia1 = 2 ∠- 90°, Ia2 = 0.2 ∠ 90° and Ia3 = 1.8 ∠ 90°, Ia =
Answer: Option
Explanation:
Ia = Ia1 + Ia2 + Ia0 = 2∠-90 + 0.2∠90 + 1.8∠90° = 2∠-90° + 2∠90° = 0.
17.
For the R-L circuit shown in the figure, the input voltage vi(t) = U(t). The current i(t) is
Answer: Option
Explanation:
Vi(s) = 1/s
at t = ∞ i(t) = 1/2 = 0.5 .
18.
If f(t) = - f(- t) and f(t) satisfies Dirichlet conditions, then f(t) can be expanded in Fourier series having
Answer: Option
Explanation:
Since f(-t) = -f(t) only sine terms exist.
19.
A parallel plate capacitor has plate area A and distance between the plates is d. It has two dielectrics each of thickness d and area 0.5 A. The dielectric constants are ∈1 and ∈2. The total capacitance is given by the equation
Answer: Option
Explanation:
The combination is equal to two capacitors in parallel. 
20.
Which of the following theorems can be conveniently used to find power consumed in 10 Ω resistor in figure?
Answer: Option
Explanation:
Since the frequencies of the two sources are different only superposition theorem can be used.
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