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NOL PHY 202 Lab - Capacitor basics: Inquiry into Capacitor Design (40 total points) Name: Before starting, please scroll through the worksheet to check the
NOL PHY 202 Lab - Capacitor basics: Inquiry into Capacitor Design (40 total points) Name: Before starting, please scroll through the worksheet to check the page numbers and get all the information. Complete all activities before submitting the lab. Important: Do not delete the content of this lab. Highlight your answers in yellow color. Goal: Develop your understanding of how capacitors work. Tools: This lab uses the Capacitor Basics simulation provided by PhET at the University of Colorado Boulder. After launching the simulation, open the Light Bulb screen. Then explore to develop your own ideas about how a capacitor is designed. Capacitance 0.30 PF Capacitance Plate Charges Top Plate Charge Bar Graphs Stored Energy O Electric Field Current Direction Separation 450mm Plate Area Voltmeter O Capacitor Lab: Basics PHET : Explain your understanding: Use your own words and captured images from the simulation to show you can:1. Identify what features of a capacitor can be maximized or minimized to make a capacitor with the greatest capacitance. In this case, do NOT connect the capacitor to the battery or light bulb. a. What two parameters (features) of the simulation did you use to achieve the greatest capacitance? (4pts) [Answer] Include a screenshot of the set up for greatest capacitance. (2pts) [Answer] Calculate the greatest capacitance based on your parameters shown in part (b) Show your steps clearly. (4pts). [Answer] Do you obtain the same value or different value? (2pts) [Answer] What two parameters (further features) dictate the ability of a capacitor to store charge? (Note: One has not been made available on this demo. Check the top plate charge to observe this.) (4pts) [Answer] Include a screenshot for part (d) (2pts) [Answer] Design an experiment using the online simulation to nd the relationship between Top Plate Charge, Potential difference across the capacitor, and Stored Energy for a capacitor. in this case. you have the freedom to use the battery and light bulb to design the experiment. a. Summarize your experimental procedure. (4 pts) [Answer] Include screenshot of your design (2 pts) [Answer] How do you measure the potential difference (aka voltage) across the charged capacitor? Provide explain in detailed and include a screenshot which shows how to measure the potential difference across the capacitor (4+2 pts) NOL PHY 202 [Answer] d. How do you light the bulb using the charged capacitor only? Provide your explanation and include a screenshot of the set-up of your circuit. (4+2 pts) [Answer] e. What happens to the light intensity of the bulb sometimes after connecting it to the fully charged capacitor? Provide an explanation? (4 pts) [Answer]
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