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MCQ Practice Question

The substitution theorem permits a branch of a network to be replaced by another element or source provided the replacement maintains the same?

ABranch voltage and current
BTotal number of nodes only
COperating frequency only
DPower factor of every other branch only

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Correct Answer: A. Branch voltage and current

Explanation: At a specified operating condition, substitution is valid when the replacement preserves the original branch terminal voltage and current.

Reference: Standard network theory: substitution theorem

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