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esmeco
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I was wondering,how do we calculate the thevenin resistance in a circuit with a load resistor?Do we remove the load?How do we calculate the voltage at the load terminals?
esmeco said:I was wondering,how do we calculate the thevenin resistance in a circuit with a load resistor?Do we remove the load?How do we calculate the voltage at the load terminals?
Thevenin's Theorem states that any linear electrical network can be replaced by an equivalent circuit consisting of a single voltage source and a single series resistor. This equivalent circuit, known as the Thevenin equivalent circuit, will produce the same voltage and current as the original circuit at the output terminals.
Thevenin voltage is calculated by first finding the open-circuit voltage at the output terminals of the circuit, then removing all sources and calculating the voltage between those terminals. This voltage is the Thevenin voltage.
A load resistor is a resistor that is connected to the output terminals of a circuit. It is used to simulate a load on the circuit and to measure the voltage and current at the output terminals.
Thevenin voltage is not affected by load resistors. It is a constant voltage that is determined by the original circuit and remains the same regardless of the load resistor connected to it.
Yes, Thevenin voltage can be negative. This means that the Thevenin equivalent circuit will have a voltage source with a negative voltage and a series resistor. It is important to pay attention to the polarity of the voltage when using Thevenin's Theorem in circuit analysis.