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Expt_20 - Lab-in-a-Box Experiment 20 Introduction to...

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Lab-in-a-Box Experiment 20: Introduction to Phasors Name: ______________________ Pledge: _____________________ ID: ______________________ Date: ______________________ Procedure Analysis: 1. Find the angular frequency ( ϖ ) of the circuit in Figure 2. 0 1 0 E L E M E N T F R E Q = 1 0 0 0 H z V A M P L = 2 V C u r r e n t S h u n t A Figure 2: Circuit for determining phasor for various loads. 2. Determine the impedance of the element if the element is a: a. 1 kΩ resistor b. 100 mH inductor Show that the 10 Ω shunt has only a small effect on the impedance of the circuit by plotting the impedances in the imaginary plane. Calculate the percent change in the magnitude and phase angle of the impedance from that of the element alone. 3. Repeat the calculations in step 2 for an 10 nF capacitor using a 100 Ω shunt. 4. Determine the current phasor for the current through each element. Reference the phase of all signals to a function generator phase of 0 o at t = 0. For these calculations, you may ignore the shunt. Measurements: 5.
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