Superposition Theorem

Superposition Theorem

The Superposition Theorem The Superposition theorem is used to find: The current values in a circuit with more than one voltage source. The voltage values at some point of a circuit that has more than one voltage source. The Superposition theorem states that the effect of two or more voltage sources in a resistor is equal to the sum of the individual […]

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Norton's Theorem

Norton’s Theorem

Norton’s Theorem The Norton’s Theorem is similar to the Thevenin’s Theorem. It can be seen that, the equivalent circuit is: A Voltage source (Thevenin voltage: Vth) in series with a resistor (Thevenin resistance: RTH) Thevenin equivalent circuit This theorem says that the equivalent Norton circuit is a combination of a current source in parallel with a resistor. It is easy to find the Norton equivalent circuit when we […]

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Thevenin's theorem

Thevenin’s theorem

The Thevenin’s theorem The Thevenin’s theorem is used to convert a two terminal complex circuit, into a very simple circuit containing only one voltage source (Vth) in series with a single resistor (RTH). See pictures #1 and #5. Vth is called the Thevenin voltage Rth is called the Thevenin resistance and all together is called the Thevenin equivalent circuit The new circuit will […]

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