Network Theory Practice Test 4

1. A 50 Hz, bar primary CT has a secondary with 800 turns. The secondary supplies 7 A current into a purely resistive burden of 2 Ω. The magnetizing ampere-turns are 300. The phase angle is?

2. Find the voltage V_ab in the circuit shown below.

3. A 440 V, 50 HZ AC source supplies a series LCR circuit with a capacitor and a coil. If the coil has 100 mΩ resistance and 15 mH inductance, then at a resonance frequency of 50 Hz, the half power frequencies of the circuit are?

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

5. Find the values of Z₁₁, Z₂₂, Z₃₃ in the circuit shown below.

6. Find the value of the maximum power in the circuit shown below.

7. Determine Z₂₁, Z₂₂, Z₂₃ in the circuit shown below.

8. For a parallel RLC circuit, the incorrect statement among the following is _____________

9. For the circuit given below, the nature of the circuit is ____________

10. For the parallel resonant circuit shown below, the value of the resonant frequency is _________