Capacitor_RCC_Lab_March 22 2022

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School

Riverside City College *

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Course

4B

Subject

Electrical Engineering

Date

Dec 6, 2023

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docx

Pages

7

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Learning Goals: Students will be able to: Identify the variables that affect the capacitance and how each affects the capacitance. Determine the relationships between charge, voltage, and stored energy for a capacitor. Relate the design of the capacitor system to its ability to store energy. Equipment (for real life “build”) 2 sheets of aluminum foil A couple of papers for Dielectric A Multimeter (with an ability to measure capacitance) 1. Building a Capacitor Imagine that you are stuck at home, can’t leave the house, and in order to complete your physics assignment, you need a capacitor. How would you go about making one? Explain. You can make a capacitor out of aluminum foil and some kind of insulating spacer, such as paper. Make a capacitor and then measure its capacitance. Predict what will happen if you increase the distance between the aluminum sheets. 2. Increase the distance between your Built capacitor ( one sheet of paper, two sheets etc ), holding the area of plates constant. Measure the capacitance. Take at least 5 data points. Q2.1: Did the capacitance change? If so, how did it change?
P 2.2: Predict what will happen if you decrease the area of your capacitor. 3. Decrease the area of your Built capacitor ( by 1/2, 1/4, etc on both plates ) holding the distance in between the plates constant. Measure the capacitance. ( Take at least 5 data points ). Did the capacitance change? If so, how did it change? Display your 2 datasets in 2 tables and Plot 2 graphs by hand , ONLY : Capacitance vs the distance ( with paper Units ) in between and Capacitance vs area ( with real units ). How area, A and distance in between, d relates to Capacitance WRITE THE FORMULA Here
Capacitor Lab : Inquiry into Capacitor Design Directions: 1. Using the first 2 tabs , voltmeter , and battery , find variables that are used to design a capacitor. 2. Identify what you would maximize or minimize to make a capacitor with the greatest capacitance. Are there items in the sim that do not appear to affect the capacitance? 3. Using the first 2 tabs , voltmeter , and battery , explore the relationships between charge, voltage, and stored energy for a capacitor. Summarize your findings. 4. If you wanted to design a capacitor system to store the greatest energy, what would you use?
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