# Thevenin Resistance Is Found By

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Thevenin resistance is found by-

1. Shorting all voltage sources.
2. Opening all current sources.
3. Shorting all voltage sources and opening all current sources.
4. Opening all voltage sources and shorting all current sources.

Answer: C. Shorting all voltage sources and opening all current sources.

## Thevenin resistance is found by shorting all voltage sources and opening all current sources.

Solution

While calculating Thevenin’s resistance all the independent sources present in the circuit are replaced by their internal resistances, that is the current source is replaced by an open circuit and the voltage source is replaced by a short circuit.

Hence, Thevenin’s resistance is found by Shorting all voltage sources and opening all current sources.

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