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Circuit Theorems in AC Analysis
In order to get maximum power transfer from a capacitive source, the load must
have a capacitive reactance equal to circuit resistance
have an impedance that is the complex conjugate of the source impedance
be as capacitive as it is inductive
none of the above
Correct Answer:
have an impedance that is the complex conjugate of the source impedance
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Circuit Theorems in AC Analysis
For the circuit shown, determine ZTH for the portion of the circuit external to RL.
Thevenin's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent current source in parallel with an equivalent impedance.
The superposition theorem is useful for the analysis of single-source circuits.
An equivalent circuit is one that produces the same voltage and current to a given load as the original circuit that it replaces.
In order to get maximum power transfer from a capacitive source, the load must have an impedance that is the complex conjugate of the source impedance.
One circuit is equivalent to another, in the context of Thevenin's theorem, when the circuits produce the same voltage.
A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.
The superposition theorem is useful for circuit analysis only in ac circuits.
Like Thevenin's theorem, Norton's theorem provides a method of reducing a more complex circuit to a simpler, more manageable form for analysis.
Norton's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent voltage source in series with an equivalent impedance.
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