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Materials: Lab 1 - Electric Field and Electric Potential Introduction Physicists use the concept of a field to explain the interaction of particles or bodies through space, i.e., the "action-at-a-distance" force between two bodies that are not in physical contact.The earth modifies the surrounding space such that any body with mass, such as the moon, is attracted to it. Ohm's Law Lab Report [With Graph, Observations and Verification] SE2. Solved Lab 1: ELECTROSTATICS PURPOSE: To understand the - Chegg Great content here. Lab Report Electrical Conductivity, Sample of Essays - EduCheer! Values of Thickness 2. Electrostatics Lab Name: Bryan Michel Materials: Styrofoam cups Styrofoam plates PVC Pipe Fur Scotch Tape Procedures: You will be investigating charging object by friction. For reference purposes, according to the convention originally chosen by Benjamin Franklin, the lucite rods rubbed with silk become positively charged, and the rough plastic rods rubbed with cat's fur become negatively charged. For instance, Maxwell's research led to the development of radio waves. 1. Repeat steps 1. electrostatics lab report conclusion c. Which way do you think the puck will move? Hard rubber rods, which are also commonly used, become negatively charged. Most of the common objects we deal with in the macroscopic (human-sized) world are electrically neutral. Most electrons will go into the knob and down to the Figure 1. In the conductor, electrons are free to move through the material, and some of them are repelled over to the opposite surface of the conductor, leaving the surface near the negative rod with a net positive charge. Write down "attract" or "repel" according to your observations. What is the average distance a spark will jump? If writing by hand, write clearly, legibly, and neatly so that anyone, especially your TA, can read it easily. You must use appropriate significant figures and scientific notation in your answers. This can happen when two non-conducting materials are rubbed together for example plastic and fur. The hanging ball should be repelled strongly. We conducted a comprehensive experiment that proved a valid existence of the relationship between equipotential lines and the electric field lines. Once again, recharge the metal plate. Make sure that they understand that this is commonly called grounding. However, it is known that the making and breaking of contact between the two materials transfers the charge. Remove the lucite rod, and bring a charged rough plastic rod near the electroscope. Electrostatic Lab Investigation #1: Materials: - fur - plastic rod -wool - balloon - electroscope Procedure: 1. Use a little whipping motion at the end of the rubbing. The presence of the charged object above the plate of the electroscope, induces electrons within the electroscope to move accordingly. Is Coulomb's Law verified? Why can you use either a positive charge or a negative charge to move the positively (The purpose of the closed box is to minimize the effects of air currents. same between the two charges. Uzbekistan (UK: / z b k s t n, z-,- s t n /, US: / z b k s t n,-s t n /; Uzbek: Ozbekiston / , pronounced [ozbekistn]; Russian: ), officially the Republic of Uzbekistan (Uzbek: Ozbekiston Respublikasi / ), is a doubly landlocked country located in Central . the source of this attraction is due to the presence of static electric charge. The material Recharge the balls as in steps 1 4, and record a series of measurements of the inside edges of the balls. Lab report 2. ), The displacement \(d\) of the hanging ball from its equilibrium position depends on the electrical force \(F\) which repels it from the sliding ball. The table and graph above shows us the linear relationship between the Electric Field Charge and Voltage. Recharge the metal plate, and actually touch it to the top of the electroscope. illustrates the direction of the field in a positive and negative char. Elcora Advanced Materials Corp Provides 2023 Update USW00094728 If they are charged differently, they show attraction. This way, you can obtain charges on the first ball of \(Q\), \(Q/2\), \(Q/4\), and so forth. Include in the discussion the vocabulary: charge transfer and electric attraction. What is the exponent of the \(r\)-dependence of the force? Two particles of the same charge exert a repulsive force on each other, and two particles of opposite charge exert an attractive force on each other. The plate acquires an excess of positive charge (since electrons have left this once neutral region) and the support/needle acquires an excess of negative charge (since electrons have entered this once neutral region). For a negative charge, the field is directed inward towards the charge (figure 1b). 2 1 m 12 V 8 V/m Is there any difference in the behavior of the needle compared to the results in procedure 6? Surrounding a charge there is an invisible electric field which gets weaker the farther away one gets from the charge. USW00094728 Show how a real balloon can stick on the wall. Later, other materials were found which exhibited this same behavior. However, if a neutral object is placed inside a strong electric field, the material may become polarized. Subject. The negatively charged balloon repels the negatively charged electrons, thus forcing them to move downwards. You do not need to repeat the question. There are 3 types of metals for electricity conducting: metallic conductor, semiconductor, and superconductor. Faraday's ice pail experiment is a simple electrostatics experiment performed in 1843 by British scientist Michael Faraday that demonstrates the effect of electrostatic induction on a conducting container. Investigate to check your answers from #2 and #3. Conclusion general unknown metal objective the projectile motion are many concepts of a lab report conclusion. What do you think the arrows on the puck are illustrating? Conductivity Lab Report Discussion Essay Example - PaperAp.com Diagram in your notes what happened with the charges. Rub Johns foot on the floor to demonstrate charge transfer. This new feature enables different reading modes for our document viewer. B. Touch the pith balls with your finger to discharge them. USW00094728 PDF Separate Salt and Pepper with Static Electricity - University of Florida Your matched tutor provides personalized help according to your question details. https://phet.colorado.edu/sims/html/balloons-and-static-electricity/latest/balloons-and-static-electricity_en.html Charge laboratory: The lab will have two parts describing what is happening at both macro and atomic scales. Place the rod into the stirrup holder as shown in Figure 7. Opposite charges attract each other. The arrows would be opposite to what the picture displays. For your records, you may print out your Excel file with a table and graph of your numerical observations and any other electronic files you have generated. Static Electricity Lab Report new - Static Electricity Lab - StuDocu This can happen Estimating the charge of one . The old electroscopes consisted of a box or cylinder with a front glass wall so the experimenter could look inside, and an insulating top through which a conducting rod with a ball or disk (called an electrode) on top entered the box. Where does the charge on the metal plate come from? The charged particles which make up the universe come in three kinds: positive, negative, and neutral. Move the rod along and around the top so you touch as much of its surface to the metal of the electroscope as possible. Lab Report Electrical Conductivity - 790 Words | Studymode ScenarioMandy took a trip to Rome, Italy. One of these is silver. The purpose of the mirror is to minimize parallax errors in reading the scale. Typically, lab reports present data, discuss results, and provide conclusions. If the wire or path is subsequently disconnected, the conductor as a whole is left with a net positive charge. The arrows on the puck are illustrating how both the positive and. 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ECE 494 - Lab 1: Three Phase Power Measurements - New Jersey Institute Electrostatics - 1 Electrostatics PES 216 Report Objective (up to you this time) The purpose of this lab was to investigate the nature of electric charge: how different materials obtain different charges, how like and opposite charges react with one another, . What should you plot against what? of Physics & Astronomy Modified from: RealTime Physics P. Laws, D. Sokoloff, R. Thornton General Physics Part B and University of VA Physics Labs: S. Thornton Triboelectricity First, you must move some electrons around to produce a net electric charge. If two objects are charged in the same way, they show repulsion. Record the results your notes. Global warming is one of the most important issues in the world. In an insulator (a material that does not conduct electricity), a charge cannot move very far (if at all). These equations will verify this statement: -Vs+Vr1+Vr2=0-5v+1. slightly electrocuted. Electrostatic Lab [1] Purpose: To determine the charge and charge distribution on insulators charged by the triboelectric effects and conductors charged by an Electrostatic Voltage Source. The arrows on the puck are illustrating how both the positive and Distribution of charges in a polarized and non-polarized object. For this experiment, do not shine the flood lamp on the electroscope. where r is the distance between the two charges and k is called the proportionality constant and is Recharge the sliding ball so it produces the maximum force, and experiment with pushing it toward the hanging ball. Compute columns of displacements \(d\) (position of the hanging ball minus the equilibrium position) and the separations \(r\) (difference between the two recorded measurements plus the diameter of one ball). Summer 2020 Static Electricity, Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Psychology (David G. Myers; C. Nathan DeWall), The Methodology of the Social Sciences (Max Weber), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Civilization and its Discontents (Sigmund Freud), Give Me Liberty! Aug 2021 - Dec 20215 months. You do not need to measure the position of its center, but will record the position of its inside edge. A. Each metal atom contributes one or two electrons that can move relatively freely through the material. How to write an electrical engineering lab report USW00094728 wall. Typically, after charging, the needle might be at 80. Time up to five minutes, if necessary. Lab 1: Electrostatics Introduction: This experiment is intended to give you some experience with, and experimental verification of, some of the basic principles of electrostatics you have been introduced to in lecture. If the humidity is high, as it is sometimes in the summer, the experiments are more difficult, and some may be impossible. PHY 2. Reflect on your answer to #6, write down any new ideas that you have. Have a class 1. when using the two different charges opposite to each other the puck would one gets from the charge. Protons Distance (m) Voltage (V), Volts/Meter To understand the response of the electroscope when a charged rod is brought near, so that the electrical charges on the rod interact with charges already present in the electroscope. Most materials are electrically neutral they have an equal So the balloons did move away from each other. We are all familiar with the fact that rubbing two materials together for example, a rubber comb on cat fur produces a static charge. Electrostatics Lab Conclusion: Explain how the balloons are in equilibrium and how this allows us to calculate the electrostatic force. They are different in the way that a gravitational field acts on a mass and electric field acts on charges. Charge the lucite rod by rubbing it with silk. Inside a polarized The reason of why electrolytes or ionic compounds are supposed to conduct electricity is because of the charge of the molecule, ionic . Capacitor Lab Report Conclusion - 940 Words - Internet Public Library As shown in the demo below, the sweater is positive and the balloon attaches to the Their electrons are bound tightly and cannot move. Question: Lab 1: ELECTROSTATICS PURPOSE: To understand the behavior of charged objects and the process of charging by rubbing. I think that the balloons will repel each other because they are both negative and do not attract each other. However, if a neutral object when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's Inside a polarized material, positive and negative charges are no longer randomly distributed and are slightly separated (positive on one side, negative on the other). pulling or pushing. AMERICAN UNIVERSITY OF SCIENCE & TECHNOLOGY FACULTY OF ENGINEERING DEPARTMENT OF COMPUTER AND COMMUNICATIONS ENGINEERING CIRCUIT ANALYSIS 1 LAB CCE 201L Report # 2 DMM-Power Supplies-Soldering Techniques-Making PCBs Prepared by Daniel Khazaal Presented to Dr. Nashaat El Halabi February 26, 2016 Achrafieh Campus The difference between these two measurements, plus the diameter of one of the balls, is the distance \(r\) between their centers. Electrostatics Lab Report Conclusion is universally compatible next any devices to read. Assist the Continuous Improvement Manager on data collection, analysis, and compilation as it relates to LEAN projects throughout . law. Insert your data table and graph from your spreadsheet. Once a charge is If you use two of the same charges to move the puck, it would move twice as fast, if you use two different charges in the same exact place, nothing would happen because they cancel out. Use Google Spreadsheet to document your data, graph, and b. 286 Comments Please sign inor registerto post comments. balloon. In order for the balloon to stick to the wall you need to have rubbed the balloon on the Uzbekistan - Wikipedia Entertainment & Pop Culture; Geography & Travel; Health & Medicine; Lifestyles & Social Issues; Literature; Philosophy & Religion; Politics, Law & Government Lab 1 - Electrostatics Lab's goal To investigate the electrostatic interaction between various objects. Write observations with drawings of Electrostatics - Version 7.0 - University of Michigan-Dearborn . a What do you predict for the answer? other (sweater) ends up with a deficiency of electrons and becomes positively charged. As a result, like charges repel each The fundamental concept in electrostatics is electrical charge. electrochemistry-lab-report-conclusion 2/5 Downloaded from uniport.edu.ng on March 3, 2023 by guest reaching down even to the molecular level. If necessary, adjust carefully the fine threads that hold the hanging ball to position it properly. When the air is humid, a thin, invisible film of water forms on all surfaces, particularly on the surfaces of the insulators in the experiment. Remove the lucite rod. Conclusion from Ohm's Law lab Report We learned that current and voltage hold a direct relationship for resistive components. Opposite charges attract each other. Include in the discussion the vocabulary: induction; compare with charge transfer and The material losing electrons now has fewer electrons than normal and becomes positive. (The heat lamp may help to minimize humidity near the pith balls.). If this is the case, you can try again next week. Repeat the procedure until you have experienced several sparks. material ends up with an excess of electrons and becomes negatively charged, while the The Once the Access over 20 million homework documents through the notebank, Get on-demand Q&A homework help from verified tutors, Read 1000s of rich book guides covering popular titles. 2. If the needle falls to 0 in 15 seconds or so, as it does on some summer days, you will probably have difficulty completing the experiments, even with the help of the heat lamp. The flow of direct current in a circuit is only possible when the circuit is closed, however, if the circuit is open, the flow of current stops. After writing this essay, I have realized the importance of electrostatics in our lives. (That is, we want to show that the force is proportional to one of the charges.) When we charge a material by friction, we are transferring some of the electrons from one material to another. Describe potential sources of error (don't say human error). Not all steps have observations to record. Conclusion/Discussion To conduct this experiment, I first filled him up with a lot of negative charges. Berea, Kentucky, United States.
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