1. Show that at resonance XL = Xc and thus the impedance (Z) is reduced to R. Show all your work. 2. What should be the phase relationship between the applied voltage and the resistor voltage as you vary the frequency?
1. Show that at resonance XL = Xc and thus the impedance (Z) is reduced to R. Show all your work. 2. What should be the phase relationship between the applied voltage and the resistor voltage as you vary the frequency?
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 53AP: A 7.0-mH induct is connected across a 60-Hz ac source whose voltage amplitude is 50 V. (a) What is...
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Transcribed Image Text:Preliminary Questions
1. Show that at resonance XL = Xc and thus the impedance (Z) is reduced to R. Show all
your work.
2. What should be the phase relationship between the applied voltage and the resistor
voltage as you vary the frequency?
Materials
Circuit Board
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generator to 2V.
4. Now start collecting data.
5. Adjust your frequency to 20Hz and repeat
generators voltage to 2V for each frequency cha
Continue until you have completed the table.
Analysis
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Examine your graph of voltage versus time to find the maximum voltage.
1. Sketch a graph of the resistor voltages and the current versus frequency. Include units and
labels for your axes.
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Figure 1: The RLC circuit
GC Physics
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