Lab Experiment No. 4: Introduction to the Principle of Superposition
Lab Experiment No. 4: Introduction to the Principle of Superposition
Lab Experiment No. 4: Introduction to the Principle of Superposition
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EE 442 <strong>Lab</strong>ora<strong>to</strong>ry <strong>Experiment</strong> 4<strong>Introduction</strong> <strong>to</strong> <strong>the</strong> <strong>Principle</strong> <strong>of</strong> <strong>Superposition</strong>DC Supply+20 V tapAmmeterR1A14.7k12VdcV1CommonR210k12VdcV2-20 V tapAmmeterA2R333kFigure 6 <strong>Lab</strong>ora<strong>to</strong>ry version <strong>of</strong> <strong>the</strong> circuit in Figure 38. What does <strong>the</strong> circuit arrangement <strong>of</strong> Figure 6 accomplish in terms<strong>of</strong> <strong>the</strong> original circuit?9. Energize <strong>the</strong> circuit given in Figure 6 and <strong>the</strong>n measure and record<strong>the</strong> following data:a. Ammeter readings A 1 and A 2 (compare with prelimcalculations)A 1 = __________A 2 = __________b. Voltage across <strong>the</strong> 10 kΩ resis<strong>to</strong>rV 10 kΩ = __________10. Turn <strong>the</strong> DC supply <strong>of</strong>f, but before dismantling <strong>the</strong> circuit, applyKCL and <strong>the</strong> principle <strong>of</strong> superposition by making <strong>the</strong> followingcalculations:a. Add <strong>the</strong> component values <strong>of</strong> i 1 measured in step 6 <strong>to</strong> <strong>the</strong>value <strong>of</strong> i 1 measured in step 9. (Be careful <strong>to</strong> account for <strong>the</strong>signs!) Compare <strong>the</strong> resultant i1 <strong>to</strong> that <strong>of</strong> step 2.7
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