Capacitive Circuits

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Week 3

Discussion - Engineering Procedure

Safety Considerations for Electrolytic Capacitors

Investigate safety considerations when dealing with electrolytic capacitors on the internet and in your textbook. Include a discussion regarding how to avoid safety concerns when dealing with charged electrolytic capacitors as well as design considerations to avoid damage to circuits utilizing these type of capacitors.

Assignment

Capacitive Circuits

figure 1

For the circuit above, determine the following (express all answers in phasor form):

1. XC

2. ZT

3. IT

4. VR1

5. VC1

Submit all calculations in a document entitled EE115W3AYourGID.docx, or an equivalent word processing file extension.

LAB

Capacitive Circuits

1. Watch the videos

. Week 3 Video Lecture - Multisim Single Frequency Analysis

· Consider the circuit below:

figure 1

For the circuit above, determine the following (express all answers in phasor form):

XC

Zeq

IT

R1

IC1

1. Construct the circuit with MultiSIM using a 5% tolerance for the resistor and the capacitor. Adjust the frequency according to the table below and obtain measurements from MultiSIM using AC Analysis and express in polar form.

Frequency

IT

IR1

IC1

100 Hz

 

 

 

500 Hz

 

 

 

1000 Hz

 

 

 

1500 Hz

 

 

 

10000 Hz

 

 

 

20000 Hz

 

 

 

1. Discuss the following:

Describe the relationship between the frequency and IT.

What effect does frequency have on Zeq?

How could the circuit be modified to bring the phase angle closer to 0○?

How could the circuit be modified to bring the phase angle closer to -90○?

Include all calculations, screenshots of measurements, the table results of part 3 and the answers to parts 2 and 4 in a word processing document and submit as EE115W3LabYourGID.docx, or an equivalent word processing file extension.