EE291 - LABORATORY III AND THE THEVENIN EQUIVALENT CIRCUIT
OBJECTIVES 1. Verifying experimentally the superposition principle for a circuit with two voltage sources. 2. Designing and testing the Thevenin equivalent circuit. PRELAB 1. Make a brief plan of measurements to demonstrate the superposition principle for a circuit shown in Fig. 1. 2. Draw a Thevenin equivalent circuit of the circuit in Fig. 1 without RL, which is an external "load" resistor. Express the voltage of the source and the resistance in the Thevenin circuit in terms of R1 and R2.
LABORATORY Equipment needed from the stockroom: EE291 parts kit, a proto-board, a resistance substitution box, leads. 1. THE SUPERPOSITION PRINCIPLE
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2. THE THEVENIN EQUIVALENT CIRCUIT
3. CIRCUIT SIMULATION (at home)
REPORT
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