I am doing a lab about Analysis of AC circuits and am not sure about this activiy. How do we determine the phase shift and how to know when the voltage lags or leads or in phase with the current can you explain?

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 64CP: A 200- resistor, 150- F capacitor, and 23-H inductor are connected in series with an ac source of...
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I am doing a lab about Analysis of AC circuits and am not sure about this activiy. How do we determine the phase shift and how to know when the voltage lags or leads or in phase with the current can you explain?

Using the graphs below, measure the time difference between the peaks in the voltage and current, use
this to determine the phase shift for each component (note: these can be recorded in the Excel file for
this lab)
A PicoScope 6
Resistor
File Edit Views
Measuremente
Help
15 us/div
200 s
(x 1
32 of 32
A.
1Auto
DC
Technology
P52.5
5.0
mA
5 µs
a
151.5
3.0
101.0
2.0
50.5
1.0
0.0
:0.0
-50.5
:-1.0
|-101.0
-2.0
|-151.5
-3.0
-202.0
-4.0
-252.0
-25.0
05.0
25.0
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
3200 us
10
Channel
Min
|Average
| Max
19.6 kHz 50.4 kHz 50 kHz
| Value
| Capture Count -
B-A
Frequency 50 kHz
183.5 Hz 20
Running
* * -694.3 µV
50 %
AOResistor =
R: V leads, lags or in phase with the current?
Transcribed Image Text:Using the graphs below, measure the time difference between the peaks in the voltage and current, use this to determine the phase shift for each component (note: these can be recorded in the Excel file for this lab) A PicoScope 6 Resistor File Edit Views Measuremente Help 15 us/div 200 s (x 1 32 of 32 A. 1Auto DC Technology P52.5 5.0 mA 5 µs a 151.5 3.0 101.0 2.0 50.5 1.0 0.0 :0.0 -50.5 :-1.0 |-101.0 -2.0 |-151.5 -3.0 -202.0 -4.0 -252.0 -25.0 05.0 25.0 -20.0 -15.0 -10.0 -5.0 0.0 5.0 10.0 15.0 20.0 3200 us 10 Channel Min |Average | Max 19.6 kHz 50.4 kHz 50 kHz | Value | Capture Count - B-A Frequency 50 kHz 183.5 Hz 20 Running * * -694.3 µV 50 % AOResistor = R: V leads, lags or in phase with the current?
Activity 1- Frequency Response of Resistors, Inductors, and Capacitors
The three graphs below show the voltage (V) and current (I) for a
given component at a frequency shown (50 kHz for the resistor and
inductor, 120 Hz for the capacitor). We describe the phase shift, Aø,
for any component as being the difference between when the
voltage and current peak in the component. The phase shift for a
Aø
given component can be calculated
Aø = 2nfAt.
Here, At is the time difference between when the voltage peaks and the next closest peak in the current
(note: At should always be less than 1/f). A components is "in phase" when the phase shift is 0.
Transcribed Image Text:Activity 1- Frequency Response of Resistors, Inductors, and Capacitors The three graphs below show the voltage (V) and current (I) for a given component at a frequency shown (50 kHz for the resistor and inductor, 120 Hz for the capacitor). We describe the phase shift, Aø, for any component as being the difference between when the voltage and current peak in the component. The phase shift for a Aø given component can be calculated Aø = 2nfAt. Here, At is the time difference between when the voltage peaks and the next closest peak in the current (note: At should always be less than 1/f). A components is "in phase" when the phase shift is 0.
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