Network Theory Mock Test 4

10%

Question 1 of 10

1. The expression of Norton’s current (I_N) in the circuit shown below is?

V(Z₂/(Z₁+Z₂))

VZ₁/(Z₁+Z₂)

V/Z₂

V/Z₁

Question 1 of 10

Question 2 of 10

2. In a series circuit having resistance and inductance, the quality factor is?

R/ωL

ωL

ωL/R

Question 2 of 10

Question 3 of 10

3. Find the value V₂ in the circuit shown below if the current through (3+j4) Ω is zero.

19∠-262⁰

17∠-262⁰

16∠-262⁰

18∠-262⁰

Question 3 of 10

Question 4 of 10

4. The circuit is said to be in resonance if the current is ____ with the applied voltage.

45⁰ out of phase

90⁰ out of phase

out of phase

in phase

Question 4 of 10

Question 5 of 10

5. For the circuit shown in figure determine the capacitive reactance at resonance.

Question 5 of 10

Question 6 of 10

6. Find the Thevenin’s impedance in the following circuit.

12.3∠-45⁰

12.3∠45⁰

11.3∠-45⁰

11.3∠45⁰

Question 6 of 10

Question 7 of 10

7. The quality factor is the product of 2π and the ratio of ______ to _________

maximum energy stored, energy dissipated per cycle

energy dissipated, maximum energy stored per cycle

energy dissipated per cycle, maximum energy stored

maximum energy stored per cycle, energy dissipated

Question 7 of 10

Question 8 of 10

8. For the parallel resonant circuit given below, the cut-off frequencies are ____________

∆f₁ = 2.389 MHz; ∆f₂ = 441.124 MHz

∆f₁ = 1.256 MHz; ∆f₂ = 1.244 MHz

∆f₁ = 3.656 MHz; ∆f₂ = 8.596 MHz

∆f₁ = 5.658 MHz; ∆f₂ = 6.282 MHz

Question 8 of 10

Question 9 of 10

9. The expression of resonant frequency in a series resonant circuit is?

2π√LC

1/(2π√LC)

1/( 2π√L)

1/(2π√C)

Question 9 of 10

Question 10 of 10

10. Determine the voltage V_ab considering the source 50∠0⁰V.

54∠0⁰

4∠0⁰

50∠0⁰

46∠0⁰

Question 10 of 10