# Parallel Circuits MCQ’s

This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Parallel Circuits”.

1. Find the phase angle in the circuit shown below.

a) 31⁰

b) 32⁰

c) 33⁰

d) 34⁰

2. Determine the total impedance in the circuit.

a) 73.3∠33⁰

b) 83.3∠-33⁰

c) 83.3∠33⁰

d) 73.3∠-33⁰

3. A signal generator supplies a sine wave of 20V, 5 kHz to the circuit as shown. Determine total current IT.

a) 0.21∠33⁰

b) 0.22∠33⁰

c) 0.23∠33⁰

d) 0.24∠33⁰

4. A 50Ω resistor is connected in parallel with an inductive reactance of 30Ω. A 20V signal is applied to the circuit. Find the line current in the circuit.

a) 0.77∠-58.8⁰

b) 0.77∠58.8⁰

c) 0.88∠-58.8⁰

d) 0.88∠58.8⁰

5. Determine Z in the figure shown below.

a) 26∠-20.5⁰

b) 26∠20.5⁰

c) 25∠-20.5⁰

d) 25∠20.5⁰

6. Find the phase angle θ in the circuit shown below.

a) 20.5⁰

b) 20⁰

c) 19.5⁰

d) 19⁰

7. Determine total impedance in the circuit shown below.

a) 25∠-58.8⁰

b) 25∠-58.8⁰.

c) 26∠-58.8⁰.

d) 26∠58.8⁰.

8. Find I_{T} in the figure shown below.

a) 0.66∠-20.5⁰

b) 0.66∠20.5⁰

c) 0.77∠20.5⁰

d) 0.77∠-20.5⁰

9. Find the impedance in the circuit shown below.

a) 25

b) 26

c) 27

d) 28

10. Determine the phase angle in the circuit shown below.

a) 56⁰

b) 56.5⁰

c) 57.5⁰

d) 57⁰

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