Electronics and Communication Engineering - Networks Analysis and Synthesis

41.
In the above circuit, if the power dissipated in the 6 Ω resistor is zero then V is
20 2∠ 45°
20 ∠ 30°
20 ∠ 45°
20 2∠ 30°
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
If Va1 = Va2 = 100 V and Va0 = 0, then Va, Vb, Vc are
200, -100 and -100 V
100, 100, 300 V
200, 100, 100 V
100, -100, 100 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.

Assertion (A): A series RLC circuit resonates when excited by variable frequency source.

Reason (R): Resonant frequency is geometric mean of half power frequencies.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
In figure, the switch S is initially open and steady state conditions are reached. At t = 0 switch is closed. The initial current through 2C capacitor is
zero
1 A
2 A
3 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
For an RC driving point impedance function, the poles and zeros
should alternate on real axis
should alternate only on negative real axis
should alternate on imaginary axis
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.