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Circuit Theorems in AC Analysis - Engineering

Q1:

In applying the superposition theorem,

A the sources are considered one at a time with all others replaced by their internal impedance

B all sources are considered independently

C all sources are considered simultaneously

D the sources are considered one at a time with all others replaced by their internal resistance

ANS:A - the sources are considered one at a time with all others replaced by their internal impedance

The superposition theorem States that sources were being considered separately, and all others were being replaced at that time by their respective internal resistance.