Electronics and Communication Engineering - Networks Analysis and Synthesis

21.
For the network of figure, [z] matrix is
Answer: Option
Explanation:
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22.
A h is the unit of quantity of electricity.
True
False
Answer: Option
Explanation:
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23.
All network theorems of dc are applicable to ac also with different quantities taken as phasors.
True
False
Answer: Option
Explanation:
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24.
An ac circuit has two branches in parallel. The impedances of the two branches are equal. Their power factors are 0.8 lagging and 0.8 leading. The overall p.f. is
1
zero
about 0.7 lagging
about 0.7 leading
Answer: Option
Explanation:
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25.
In a network
Number of links = Number of branches - number of nodes + 1
Number of links = Number of branches - number of nodes
Number of links = Number of branches - number of nodes - 1
Number of links = Number of branches - number of nodes - 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.