# Thevenin Theorem mcqs in network theorem

### Thevenin Theorem mcqs in network theorem in electrical engineering.

Thevenin’s Theorem allows us to replace a complex circuit with a __.
a) Voltage source and series resistance
b) Current source and parallel resistance
c) Voltage source and parallel resistance
d) Current source and series resistance

Answer: a) Voltage source and series resistance
Explanation: Thevenin’s Theorem allows us to replace a complex circuit with a simplified equivalent circuit consisting of a voltage source and series resistance.

The Thevenin voltage is the __ voltage across the terminals of the circuit.
a) Total
b) Maximum
c) Minimum
d) Average

Explanation: The Thevenin voltage is the total voltage across the terminals of the circuit, measured with no load connected.

The Thevenin resistance is the __ resistance as viewed from the terminals of the circuit.
a) Equivalent
b) Total
c) Internal
d) External

Explanation: The Thevenin resistance is the equivalent resistance as viewed from the terminals of the circuit when all independent sources are turned off.

The Thevenin equivalent circuit consists of a voltage source in series with the Thevenin __.
a) Resistance
b) Reactance
c) Capacitance
d) Inductance

Explanation: The Thevenin equivalent circuit consists of a voltage source in series with the Thevenin resistance.

The Thevenin voltage is equal to the __ voltage of the original circuit.
a) Open-circuit
b) Short-circuit
c) Average
d) RMS

Explanation: The Thevenin voltage is equal to the open-circuit voltage of the original circuit, measured with no load connected.

The Thevenin resistance is calculated by __ the independent sources and determining the resistance across the terminals.
a) Removing
c) Shorting
d) Opening

Explanation: The Thevenin resistance is calculated by removing the independent sources (voltage sources are replaced with short circuits and current sources are replaced with open circuits) and determining the resistance across the terminals.

Thevenin’s Theorem can be used to analyze __ circuits.
a) AC
b) DC
c) Both AC and DC
d) None of the above

Answer: c) Both AC and DC
Explanation: Thevenin’s Theorem can be used to analyze both AC and DC circuits.

The Thevenin equivalent circuit is valid for __ loads connected to the terminals.
a) Any
b) Resistive
c) Capacitive
d) Inductive

Explanation: The Thevenin equivalent circuit is valid for any loads connected to the terminals, including resistive, capacitive, and inductive loads.

The Thevenin equivalent circuit provides an accurate representation of the original circuit’s behavior __ the terminals.
a) Outside
b) Near
c) Between
d) Inside

Explanation: The Thevenin equivalent circuit provides an accurate representation of the original circuit’s behavior between the terminals.

The Thevenin voltage is equal to the voltage __ when a load is connected to the Thevenin equivalent circuit.
b) Across the Thevenin resistance
c) Across the terminals of the original circuit
d) Across the Thevenin voltage source

Answer: b) Across the Thevenin resistance
Explanation: The Thevenin voltage is equal to the voltage across the Thevenin resistance when a load is connected to the Thevenin equivalent circuit.

The Thevenin resistance is calculated by applying a test __ across the terminals of the original circuit.
a) Current
b) Voltage
c) Power
d) Impedance

Explanation: The Thevenin resistance is calculated by applying a test voltage across the terminals of the original circuit and measuring the resulting current.

The Thevenin resistance is calculated using __ Law.
a) Kirchhoff’s
b) Ohm’s
d) Ampere’s

Explanation: The Thevenin resistance is calculated using Ohm’s Law by dividing the test voltage by the resulting current.

The Thevenin voltage and Thevenin resistance are __ related to the original circuit.
a) Directly
b) Inversely
c) Not
d) Partially

Explanation: The Thevenin voltage and Thevenin resistance are directly related to the original circuit.

The Thevenin resistance is equal to the __ resistance of the original circuit when all independent sources are turned off.
a) Maximum
b) Minimum
c) Total
d) Average