Source of transformation mcq Questions and Answers
Source transformation is a technique used to simplify circuits by:
a) Replacing voltage sources with current sources
b) Replacing current sources with voltage sources
c) Replacing resistors with capacitors
d) Replacing inductors with resistors
Answer: b) Replacing current sources with voltage sources
Source transformation is based on which fundamental law in circuit theory?
a) Ohm’s law
b) Kirchhoff’s voltage law
c) Kirchhoff’s current law
d) Faraday’s law
Answer: a) Ohm’s law
Source transformation can be applied to circuits with:
a) Resistors only
b) Capacitors only
c) Inductors only
d) Any combination of resistors, capacitors, and inductors
Answer: d) Any combination of resistor s, capacitors, and inductors
When applying source transformation, a current source in parallel with a resistor can be transformed into:
a) A voltage source in series with a resistor
b) A voltage source in parallel with a resistor
c) A voltage source in parallel with a capacitor
d) A voltage source in series with an inductor
Answer: a) A voltage source in series with a resistor
Thevenin’s theorem and Norton’s theorem are based on the concept of:
a) Source transformation
b) Series-parallel combination
c) Maximum power transfer
d) Superposition theorem
Answer: a) Source transformation
In source transformation, a voltage source with an internal resistance can be transformed into:
a) A current source with an internal resistance
b) A current source in parallel with a resistor
c) A current source in series with a resistor
d) A current source in series with an inductor
Answer: b) A current source in parallel with a resistor

When applying source transformation, a voltage source in series with a resistor can be transformed into:
a) A current source in parallel with a resistor
b) A current source in series with a resistor
c) A current source in series with a capacitor
d) A current source in parallel with an inductor
Answer: a) A current source in parallel with a resistor
Source transformation does not change the overall behavior of the circuit.
a) True
b) False
Answer: a) True
Source transformation is particularly useful in analyzing circuits with:
a) High voltage sources
b) High current sources
c) Non-linear components
d) Balanced loads
Answer: b) High current sources
Source transformation can be applied to circuits containing dependent sources.
a) True
b) False
Answer: a) True
Source transformation is most commonly used to simplify circuits in:
a) Digital electronics
b) Power systems
c) Audio amplifiers
d) Radio frequency circuits
Answer: b) Power systems
Source transformation is valid for both DC and AC circuits.
a) True
b) False
Answer: a) True
When applying source transformation, the resistance values in the circuit are:
a) Unchanged
b) Halved
c) Doubled
d) Reversed
Answer: a) Unchanged
Source transformation is not applicable to circuits with reactive components, such as capacitors and inductors.
a) True
b) False
Answer: b) False
The process of source transformation preserves the power delivered to the circuit.
a) True
b) False
Answer: a) True
The process of source transformation is reversible, meaning the original circuit can be obtained by performing the transformation again.
a) True
b) False
Answer: a) True
Source transformation is a technique used to simplify complex circuits into equivalent circuits that are easier to analyze.
a) True
b) False
Answer: a) True
The process of source transformation is based on the principle of conservation of:
a) Energy
b) Charge
c) Power
d) Voltage
Answer: a) Energy
Source transformation cannot be applied to circuits with feedback loops.
a) True
b) False
Answer: b) False
Source transformation can be used to find the Thevenin or Norton equivalent of a circuit.
a) True
b) False
Answer: a) True
The concept of source transformation can be extended to non-linear elements in a circuit.
a) True
b) False
Answer: b) False
Source transformation is a useful technique in circuit design and analysis, as it simplifies the circuit and reduces computational complexity.
a) True
b) False
Answer: a) True
When applying source transformation, the polarity of the voltage source remains the same.
a) True
b) False
Answer: a) True
Source transformation is primarily used in:
a) Digital signal processing
b) Data encryption
c) Power electronics
d) Communication systems
Answer: c) Power electronics
The process of source transformation is a reversible mathematical operation that allows for easy circuit simplification.
a) True
b) False
Answer: a) True
Source transformation is not applicable to circuits with resistive loads.
a) True
b) False
Answer: b) False
When applying source transformation, the internal resistance of the source is considered.
a) True
b) False
Answer: a) True
Source transformation is a technique used to convert a circuit into its polar form.
a) True
b) False
Answer: b) False
Source transformation is a common method used in analyzing circuits with multiple sources, simplifying the calculations.
a) True
b) False
Answer: a) True
Source transformation can only be applied to circuits with a single energy source.
a) True
b) False
Answer: b) False