Thevenin Resistance Is Found By

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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