Electronics and Communication Engineering - Networks Analysis and Synthesis

16.
A network has two sources of different frequencies. The only method of analysis which can be used to find current and voltages of different branches is the use of
Kirchoff's laws
Superposition theorem
Thevenin's theorem
Tellegen's theorem
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
For a series R-L-C circuit tuned at resonant frequency which of the following statements is correct?
The voltage across inductance is greater than applied voltage
The voltage across capacitance is greater than applied voltage
The voltage across both inductance and capacitance is greater than applied voltage
The voltage across both inductance and capacitance is less than applied voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then the voltage across each resistor is
half
doubled
increase by 4 times
no change
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
If operator 'a' = 1 ∠120° then (1 + a + a2) =
-a
-a2
1
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.