Thevenin Theorem Example with Step by Step Solution

Statement: Any linear bilateral electrical network can be reduced to a single voltage source and a series resistors.

Thevenin theorem is a useful network theorem which helps us to reduce a complex electrical network to a simple circuit. Thevenin theorem reduces a circuit to simple series circuit thus making the analysis process very easy for circuits. Let’s understand the theorem:

Steps involved in solving circuits:

  1. Remove the load (if any) from the circuit.
  2. Label the resulting terminals.
  3. Replace all the voltage/current sources.*
  4. Calculate the equivalent resistance of the circuit. This resistance is known as Thevenin resistance.
  5. Determine the output voltage across labeled terminals.
  6. Connect resistance (from step 4) in series to a voltage source (whose value equals the value calculated from step 5).
* A voltage source is replaced by a short circuit, whereas the current source is replaced by an open circuit.
Congrats you made it. Let’s now solve an example to master it.

In this video, you’ll learn the Thevenin theorem in a step by step manner with an example.

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