Explore topic-wise MCQs in Electrical Engineering.

This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

If there are 3 10V sources connected in parallel then on source transformation__________

A. The effect of all the sources is considered
B. The effect of only one source is considered
C. The effect of none of the sources is considered
D. The effect of only 2 sources is considered.
Answer» C. The effect of none of the sources is considered
2.

In source transformation________

A. Voltage source remains the same
B. Current sources remain the same
C. Both voltage and current source remain the same
D. Resistances remain the same
Answer» E.
3.

A source transformation is_________

A. Unilateral
B. Bilateral
C. Unique
D. Cannot be determined
Answer» C. Unique
4.

Once the circuit is transformed into a current source where will the resistance be connected?

A. In series with the current source
B. In parallel with the current source
C. The resistance is removed from the circuit
D. Resistance is multiplied by 10 and connected in parallel with the source
Answer» C. The resistance is removed from the circuit
5.

What will the value of the current be once source transformation is applied to the circuit?

A. 10A
B. 20A
C. 30A
D. 40A
Answer» B. 20A
6.

Once the circuit is transformed to a voltage source where will the resistance be connected?

A. In series with the voltage source
B. In parallel with the voltage source
C. The resistance is removed from the circuit
D. Resistance is multiplied by 10 and connected in series with the source
Answer» B. In parallel with the voltage source
7.

Find the value of voltage once source transformation is applied to the circuit.

A. 10V
B. 30V
C. 50V
D. 70V
Answer» D. 70V
8.

Calculate the total current in the circuit.

A. 2.3mA
B. 4.3mA
C. 3.3mA
D. 1.3mA
Answer» D. 1.3mA
9.

Find the voltage value Vm in the circuit given below.

A. -3V
B. 3V
C. 2.1V
D. -2.1V
Answer» B. 3V
10.

Using source transformation, calculate vm.

A. 2v
B. -2v
C. 1v
D. -1v
Answer» C. 1v
11.

Source transformation can be used for dependent sources.

A. True
B. False
Answer» B. False
12.

Calculate the power delivered by the 50V source.

A. 274W
B. 276W
C. 285W
D. 291W
Answer» B. 276W
13.

Find the current flowing through 4Ω resistor shown in network below.

A. 1.33A
B. 2.35A
C. 1.66A
D. 2.66A
Answer» D. 2.66A
14.

If there is a 12A current source in series with 2Ω and in parallel with a 4Ω resistor, then voltage V=?

A. 24V
B. 48V
C. 3V
D. 6V
Answer» C. 3V
15.

The value of current source is __________ after replacing the given network with a single current source and a resistor.

A. 70V
B. 60V
C. 90V
D. 80V
Answer» E.
16.

Which element(s) has no effect in the given circuit?

A. 7Ω
B. 10Ω
C. Both 7Ω and 10Ω
D. Voltage source.
Answer» C. Both 7Ω and 10Ω
17.

Using source transformation, calculate the voltage.

A. 4.33V
B. 39V
C. 0.230V
D. 36V
Answer» C. 0.230V
18.

Source Transformation is _____________

A. Unilateral
B. Unique
C. Bilateral
D. Complicated
Answer» D. Complicated
19.

By using source transformation voltage source in series resistor is replaced by __________

A. Voltage source in series with a resistor
B. Current source in parallel with a resistor
C. Voltage source in parallel with a resistor
D. Current source in series with a resistor
Answer» C. Voltage source in parallel with a resistor
20.

IN_SOURCE_TRANSFORMATION________?$

A. Voltage source remains the same
B. Current sources remain the same
C. Both voltage and current source remain the same
D. Resistances remain the same
Answer» E.
21.

Source_transformation_can_be_used_for_dependent_sources.$

A. True
B. False
Answer» B. False
22.

If_there_are_3_10V_sources_connected_in_parallel_then_on_source_transformation__________$

A. The effect of all the sources is considered
B. The effect of only one source is considered
C. The effect of none of the sources is considered
D. The effect of only 2 sources is considered.
Answer» C. The effect of none of the sources is considered
23.

If there are five 20V voltage sources in parallel, then in source transformation __________

A. All are considered
B. Only one is considered
C. All are ignored
D. Only 2 are considered
Answer» C. All are ignored
24.

In source transformation,

A. Voltage sources remain same
B. Current sources remain same
C. Both voltage and current sources undergo change
D. Resistances/Impedances remain same
Answer» E.
25.

Source transformation technique is mainly based on __________ law.

A. Newton’s
B. Kirchhoff’s
C. Ohm’s
D. Einstein’s
Answer» D. Einstein‚Äö√Ñ√∂‚àö√ë‚àö¬•s
26.

A source transformation is________?

A. Unilateral
B. Bilateral
C. Unique
D. Cannot be determined
Answer» C. Unique
27.

If there is a 12A current source in series with 2Ω and in parallel with a 4Ω resistor, then voltage V=?$

A. 24V
B. 48V
C. 3V
D. 6V
Answer» C. 3V
28.

A current source connected in parallel with a resistor can be converted to a?

A. Current source in series with a resistor
B. Voltage source in series with a resistor
C. Voltage source in parallel with a resistor
D. Cannot be modified
Answer» C. Voltage source in parallel with a resistor
29.

If there are two resistors in parallel and in series with a voltage source then ___________

A. Parallel resistor has no effect
B. Series resistor has no effect
C. Both has their respective effects
D. Both has no effect on the voltage source
Answer» B. Series resistor has no effect
30.

Source Transformation is _____________

A. Unilateral
B. Unique
C. Bilateral
D. Complicated
Answer» D. Complicated
31.

A voltage source connected in series with a resistor can be converted to a?

A. Current source in series with a resistor
B. Current source in parallel with a resistor
C. Voltage source in parallel with a resistor
D. Cannot be modified
Answer» C. Voltage source in parallel with a resistor