Parallel Circuits MCQ’s

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

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

network-theory-questions-answers-parallel-circuits-q1

a) 31⁰
b) 32⁰
c) 33⁰
d) 34⁰

2. Determine the total impedance in the circuit.

network-theory-questions-answers-parallel-circuits-q1

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.

network-theory-questions-answers-parallel-circuits-q1

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.

network-theory-questions-answers-parallel-circuits-q4

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.

network-theory-questions-answers-parallel-circuits-q6

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.

network-theory-questions-answers-parallel-circuits-q6

a) 20.5⁰
b) 20⁰
c) 19.5⁰
d) 19⁰

7. Determine total impedance in the circuit shown below.

network-theory-questions-answers-parallel-circuits-q4

a) 25∠-58.8⁰
b) 25∠-58.8⁰.
c) 26∠-58.8⁰.
d) 26∠58.8⁰.

8. Find IT in the figure shown below.

network-theory-questions-answers-parallel-circuits-q6

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.

network-theory-questions-answers-parallel-circuits-q9

a) 25
b) 26
c) 27
d) 28

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

network-theory-questions-answers-parallel-circuits-q9

a) 56⁰
b) 56.5⁰
c) 57.5⁰
d) 57⁰

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