Electronics and Communication Engineering - Networks Analysis and Synthesis

26.
Drift velocity of electrons is generally less than 1 mm/s.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Which of the following theorems is a manifestation of law of conservation of energy?
Tellegen's theorem
Reciprocity theorem
Thevenin's theorem
Norton's theorem
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
An ac circuit has two branches in parallel. The impedances of the two branches are equal. The p.f. of one branch is 0.8 lagging and 0.8 leading. The overall p.f. is
zero
0.5 lagging
1
0.7 lagging
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
When sources of different frequencies feed a network the only method of solution is superposition theorem.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
In a lead acid battery
the numbers of positive and negative plates are equal
the number of positive plates may be equal to or more than the number of negative plates
the number of positive plates is more than the number of negative plates
the number of negative plates is more than the number of positive plates
Answer: Option
Explanation:
No answer description is available. Let's discuss.