# Nodal Analysis MCQ’s

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

1. In the network shown below, find the voltage at node ‘a’.

a) 5.22∠104.5⁰
b) 5.22∠-104.5⁰
c) 6.22∠104.5⁰
d) 6.22∠-104.5⁰

2. Determine the voltage at node ‘b’ in the circuit shown below.

a) -1.34∠-180⁰
b) 1.34∠-180⁰
c) -0.34∠-180⁰
d) 0.34∠-180⁰

3. If there are N nodes in a circuit, then the number of nodal equations that can be formed are?
a) N+1
b) N
c) N-1
d) N-2

4. In the circuit shown below we get a nodal equation as (1/3+1/j4-1/j6)Va—(-1/j6)Vb=x. Find the value of ‘x‘.

a) (5∠0o)/3
b) – (5∠0o)/3
c) (10∠0o)/3
d) – (10∠0o)/3

5. In the circuit shown below find the power dissipated by 2Ω resistor.

a) 16.24
b) 17.24
c) 18.24
d) 19.24

6. In the following circuit. Find the power output of the source.

a) 27
b) 28
c) 29
d) 30

7. Find the value of ‘y’ in the equation –(-1/j6)Va+(1/5+1/j5-1/j6)Vb=y obtained from the following circuit.

a) (10∠30o)/5
b) -(10∠30o)/5
c) (5∠30o)/5
d) (-5∠30o)/5

8. In the circuit shown below. Determine the power dissipated in 3Ω resistor.

a) 7.77
b) 8.77
c) 9.77
d) 10.77

9. For the circuit shown below, find the voltage across the resistance RL if RL is infinite.

a) 3
b) 2
c) 1
d) 0

10. Find the voltage Vab in the circuit shown below.

a) 21.66∠-45.02⁰
b) 20.66∠-45.02⁰
c) 21.66∠45.02⁰
d) 20.66∠45.02⁰

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