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 Circuit Theorems in AC Analysis Fill in the Blank

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 1 . The theorem is a method for the analysis of circuits with more than one source. [Hint] 2 . The current in any given branch of a multiple-source circuit can be found by determining the currents in that particular branch produced by each source acting alone, with all other sources replaced by their resistance. [Hint] 3 . Thevenin's theorem as applied to ac circuits provides a method for reducing any circuit to an form that consists of an equivalent ac voltage source in series with an equivalent impedance. [Hint] 4 . Regardless of how complex the original circuit is, it can always be reduced to an form. [Hint] 5 . In an ac circuit, the equivalent impedance can be of several forms: purely resistive, purely capacitive, purely inductive, or a combination of resistance and a . [Hint] 6 . The term means that when the same value load is connected to both the original circuit and Thevenin's equivalent circuit, the load voltages and currents are equal for both. [Hint] 7 . The load "" the same current and voltage regardless of whether it is connected to the original circuit or to the Thevenin equivalent. [Hint] 8 . Thevenin's equivalent voltage defined as the voltage between two specified points in a circuit. [Hint] 9 . Thevenin's equivalent impedance is the total impedance appearing between two specified terminals in a given circuit with all sources and replaced by their internal impedance (if any). [Hint] 10 . When you want to find ZTH between any two terminals in a circuit, all the voltage sources are . [Hint] 11 . VTH and ZTH can be found for circuit. [Hint] 12 . Once VTH and ZTH are found, they must be connected in to form the Thevenin's equivalent circuit. [Hint] 13 . Norton's theorem gives an equivalent in parallel with an equivalent impedance. [Hint] 14 . Norton's theorem shows you how to find In and n. [Hint] 15 . Norton's equivalent current is defined as the current between two specified points in a given circuit. [Hint] 16 . Any connected between the terminals of a Norton equivalent circuit will have the same current through it and the same voltage across it as it would when connected to the terminals of the original circuit. [Hint] 17 . Step 1 in applying Norton's theorem to the two terminals between which the Norton circuit is to be determined. [Hint] 18 . Step 2 in applying Norton's theorem is to determine the current through the short. This is n. [Hint] 19 . Step 3 in applying Norton's theorem is to determine the impedance between the two open terminals with all sources . [Hint] 20 . Step 4 in applying Norton's theorem is to connect In and Zn in . [Hint] 21 . When a load is connected to a circuit, maximum power is transferred to the load when the load impedance is the complex of the circuit's output impedance. [Hint] 22 . A complex conjugate is an impedance containing the same resistance and a reactance opposite in but equal in magnitude to that of a given impedance. [Hint] 23 . In a complex conjugate, the output impedance is effectively equivalent impedance viewed from the output terminals. [Hint] 24 . Maximum power occurs when the impedances are conjugately . [Hint] 25 . The load "" the same current and voltage regardless of whether it is connected to the original circuit or to the Thevenin equivalent. [Hint]

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