Electronics and Communication Engineering - Networks Analysis and Synthesis
Exercise : Networks Analysis and Synthesis - Section 12
- 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
6.
Power is drawn from a source at power factor 0.7. Pav = 300 watt. The reactive power is
Answer: Option
Explanation:
cos θ = 0.7 
sin θ = 0.71
Pr = 
VI sin θ = x 300 x 0.7 107 VA.
7.
Two capacitors each of capacitance C and breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination is
Answer: Option
Explanation:
Since the capacitors are in series, the total capacitance becomes 50%. Voltage across each is V.
8.
The current wave shown in figure is applied at t = 0 to a 0.1 F capacitor. At t = 1 s, the voltage across capacitor is
Answer: Option
Explanation:
Q = 4 x 0.5 = 2C and 
9.
A capacitor can be represented by a capacitance C in parallel with a resistance R. For a good capacitor, the resistance R should be
Answer: Option
Explanation:
Very high R will mean low dielectric loss.
10.
If a sheet of a mica is inserted between the plates of an air capacitor, the capacitance
Answer: Option
Explanation:
For mica ∈r is more than that of air.
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