Mesh Analysis MCQ’s

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

1. If there are M meshes, B branches and N nodes including reference node, the number of mesh currents is given as M=?
a) B + (N+1)
b) B + (N-1)
c) B-(N+1)
d) B-(N-1)

2. Determine the current I1 in the circuit shown below using mesh analysis.

network-theory-questions-answers-mesh-analysis-ac-q3

a) 0.955∠-69.5⁰
b) 0.855∠-69.5⁰
c) 0.755∠-69.5⁰
d) 0.655∠-69.5⁰

3. If there are M branch currents, then we can write ___________ number of independent equations.
a) M-2
b) M-1
c) M
d) M+1

4. In the circuit shown below. Find the current I2.

network-theory-questions-answers-mesh-analysis-ac-q3

a) 0.5∠-90⁰
b) 0.6∠-90⁰
c) 0.7∠-90⁰
d) 0.8∠-90⁰

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

network-theory-questions-answers-mesh-analysis-ac-q5

a) 5Ω, (5-j1) Ω, j6 Ω
b) -5Ω, (5-j1) Ω, j6 Ω
c) -5Ω, (5+j1) Ω, j6 Ω
d) -5Ω, (5-j1) Ω, – j6 Ω

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

network-theory-questions-answers-mesh-analysis-ac-q8

a) (4+j3) Ω, (3-j2) Ω, (5-j5) Ω
b) (4+j3) Ω, (3+j2) Ω, (5-j5) Ω
c) (4-j3) Ω, (3-j2) Ω, (5-j5) Ω
d) (4+j3) Ω, (3-j2) Ω, (5+j5 ) Ω

7. Find Z11, Z12, Z13 obtained from the mesh equations in the circuit shown below.

network-theory-questions-answers-mesh-analysis-ac-q5

a) (8+j4) Ω, 5 Ω, 0Ω
b) (8-j4) Ω, 5 Ω, 0Ω
c) (8+j4) Ω, – 5 Ω, 0Ω
d) (8-j4) Ω, -5 Ω, 0Ω

8. Find Z31, Z32, Z33 in the circuit shown below.

network-theory-questions-answers-mesh-analysis-ac-q5

a) 0Ω, j6Ω, (4-j6) Ω
b) 0Ω, -j6Ω, (4+j6) Ω
c) 0Ω, -j6Ω, (4-j6) Ω
d) 0Ω, j6Ω, (4+j6) Ω

9. Find the common impedances Z12, Z13, Z21, Z23, Z31, Z32 respectively in the circuit shown below.

network-theory-questions-answers-mesh-analysis-ac-q8

a) -j3Ω, 0Ω, -j3Ω, j5Ω, 0Ω, j5Ω
b) j3Ω, 0Ω, -j3Ω, j5Ω, 0Ω, j5Ω
c) j3Ω, 0Ω, -j3Ω, j5Ω, 0Ω,- j5Ω
d) j3Ω, 0Ω, -j3Ω, -j5Ω, 0Ω, j5Ω

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

network-theory-questions-answers-mesh-analysis-ac-q8

a) 16∠-262⁰
b) 17∠-262⁰
c) 18∠-262⁰
d) 19∠-262⁰

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