What is thevenin's theorem

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Thevenin's theorem states that any linear circuit can be replaced by an equivalent circuit consisting of a single voltage source and a single series resistor.

Thevenin's theorem is used to simplify complex circuits into simpler ones.
It is based on the principle that any linear circuit can be represented by a voltage source and a series resistor.
The equivalent circuit can be used to calculate the voltage and current in any part of the original circuit.
Thevenin's theorem is particularly useful in circuit analysis and design.
It is also used in electronic circuit simulation software.
For example, a complex circuit with multiple resistors and voltage sources can be simplified into a single voltage source and a single resistor.
The voltage source is equal to the open circuit voltage at the terminals of the original circuit, and the resistor is equal to the resistance seen by the voltage source when all the sources are turned off.

What is thevenin's theorem

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