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Electrical Engineering · all questions

Circuit Theorems And Conversions
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Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given.
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In a two-source circuit, one source acting alone produces 12 mA through a given branch. The other source acting alone produces 10 mA in the opposite direction through the same branch. The actual current through the branch is

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An ideal current source has zero internal resistance.

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A practical voltage source has a nonzero internal resistance.

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An ideal voltage source has zero internal resistance.

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A practical current source has a finite internal resistance.

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A 680 Ω load resistor, RL, is connected across a constant current source of 1.2 A. The internal source resistance, RS, is 12 kΩ. The load current, RL, is

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The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.

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A 120 V voltage source has a source resistance, RS, of 60 Ω. The equivalent current source is

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A 12 mA current source has an internal resistance, RS, of 1.2 kΩ. The equivalent voltage source is

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Find the current in R2 of the given circuit, using the superposition theorem.
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Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.

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A certain voltage source has the values VS = 30 V and RS = 6 Ω. The values for an equivalent current source are

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A certain current source has the values IS = 4 µA and RS = 1.2 MΩ. The values for an equivalent voltage source are

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You cannot convert a voltage source to an equivalent current source, or vice versa.

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