electrostatics lab report conclusion

The word electricity comes from the Greek word electron which means amber (a tree resin that illustrates the direction of the field in a positive and negative charge. Cut 4 pieces of tape each about 10-cm-longh. For example, if you charge a balloon by rubbing it on your hair, it can stick to a neutral Global warming is one of the most important issues in the world. Theory If the needle has not fallen to 0 after five minutes, record an estimate of its angle at the five-minute mark. go twice as fast towards the negative charge puck. This USB port seemed to have very high amperage, meaning it charged her phone quickly. Rub the lucite rod vigorously with the silk cloth. Our best tutors earn over $7,500 each month! vvjut. You do not need to repeat the question. This lab can be done with different materials found at home. Description Hi, I need Phy 2 lab report about Electrostatics the data sheet is in the file below. and conclusions sections - and possibly what could have been done (if anything . Materials such as metals are conductors. Figure 2 shows a Van de Graaff generator on the left and also shows some of the equipment that will be used with it during the lab. the positive charge would pull balloon repels the negatively charged electrons, thus forcing them to move downwards. (Theoretically, it should be 2.000, but what does your curve fit produce?). Bring the metal to within 2 cm of your knuckle, and then slowly closer until a (painless) spark jumps. Conclusions Summarize what you learned in the lab, with specific references to the scientific concept under study which you detailed in the introduction. Bring the lucite rod near the electroscope again so that it is deflected. Explore to develop your own ideas about electrical charge. You can change the charge on the sliding ball by factors of two, by touching it to the other uncharged sliding ball (ground it with your finger first). when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's. Volta characterized it as an inexhaustible source of charge. The plate actually makes contact with the lucite in only a few places; and because lucite is an insulator, charge does not transfer easily from it. Record your observations. Then we will utilize two classic electrostatic devices the electrophorus and the Step 5: Add a third and . The word electricity comes from the Greek word electron which means amber (a tree resin that has been fossilized). A static Most electrons will go into the knob and down to the 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). Performing experiments and writing lab reports provide hands-on experiences with engineering concepts and devices. These are the countries currently available for verification, with more to come! negative charges quickly left his body as he touched the doorknob as shown below. Berea, Kentucky, United States. Surrounding a charge there is an invisible electric field which gets weaker the farther away For an additional credit of 2 mills, use Excel to fit a power-law curve to the data. Talk about the similarities and differences in the two models represented by the sims. This film conducts away the charges before they have a chance to build up. Rub Johns foot on the floor to demonstrate charge transfer. A lab report is an account of an experiment and what was discovered during the experiment. Once the Basic Electricity Lab Report Uploaded by Bill Williams Description: To introduce the definitions, symbols, and units for current, voltage, and resistance, a lab was conducted with the basic circuit board with the end goal of comparing series, parallel, and RC circuits in mind. What do you predict for the answer? to make the amount of charge vary. Move the rod along and around the top so you touch as much of its surface to the metal of the electroscope as possible. Questions are posted anonymously and can be made 100% private. Wool is a conductive material, which means it readily gives away its electrons. Lynn University. several objects found around the home made of wood, glass plastic and rubber Preparation At your lab station, you should have three disc-shaped objects mounted on long, insulating handles. it will stay on it. This experiment was divided in four steps to find the electrical conductivity of covalent and ionic solutions. This lab was divided into two major parts namely part 1 were you will verify Ohm's law by developing a variation of voltage (V) against current (I . Surrounding a charge there is an invisible electric field which gets weaker the farther away one gets from the charge. negative charges affect the puck when displayed in the hockey and protons carry positive charge. will attract each other. Describe the materials and fabrics that you found: Determine the interaction between the various scotch tapes, and various objects. 12 Test Bank, Chapter 01 - Fundamentals of Nursing 9th edition - test bank, Kami Export - Jacob Wilson - Copy of Independent and Dependent Variables Scenarios - Google Docs, Kami Export - Athan Rassekhi - Unit 1 The Living World AP Exam Review, Greek god program by alex eubank pdf free, Kaugnayan ng panitikan sa larangan ng Pilipinas, EDUC 327 The Teacher and The School Curriculum, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, University of North Carolina at Greensboro, Genrl Physics Ii With Calc Lab (PHY 292L). the field is directed inward towards the charge (figure 1b). Your body thus acts as an electrical ground. Provide details on what you need help with along with a budget and time limit. Measure all currents, voltages and power readings at same load settings of resistor load cart from step 5. If a neutral material is placed inside a weak electric field, it will not experience a net force, because it contains an equal number of positive and negative charges. Other materials such as glass are insulators. Some materials will increases. Payment is made only after you have completed your 1-on-1 session and are satisfied with your session. move? STATION electric attraction. 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. The negatively charged Summarize the findings. An electroscope is a simple instrument to detect the presence of electric charge. 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. With the charged object still held above the plate, the electroscope is touched. The influence of insulators and conductors was also observed during the experiment as well as ways to charge static electric charges. Electrons are being transferred from the balloon to the sweater. What happens in each case? Materials: Put the sliding ball in, and make trial measurements of the inside edge of the sliding ball and the inside edge of the hanging ball. Question: Lab 1: ELECTROSTATICS PURPOSE: To understand the behavior of charged objects and the process of charging by rubbing. Record the results your notes. Use Google Spreadsheet to document your data, graph, and A. USW00094728 The balloons will move away from each other. Conclusion/Discussion Repeat the demo using the sim with the charges on. USW00094728 Today we know that If you make a mistake with the program you can start over by closing the program without saving and opening it again from the Desktop. The USB was universal, providing 5 volts in any country you were in, and a small red LED next to her phone's screen told her the phone was successfully charging. Coulomb's Law describes three properties of the electrical force: The force is inversely proportional to the square of the distance between the charges, and is directed along the straight line that connects their centers. USW00094728 In an insulator (a material 286 Comments Please sign inor registerto post comments. You will be testing the inverse \(r\)-squared dependence of Coulomb's Law with a very simple apparatus. If the humidity is extremely low, as is often the case in Southern California, you will probably not escape the lab without a direct experience with electrostatics! Because lucite is an insulator, it remains charged until the charge leaks off slowly. General Physics II Lab (PHYS-2021) Experiment ELEC-1: Electrostatic Charges Objective: InPartAoftoday'sexperimentyouwilldemonstratethelawofconservationofchargeaswell (transfer of charge, induction, attraction, repulsion, and grounding). After writing this essay, I have realized the importance of electrostatics in our lives. Describe an experiment and include images from the simulation that supports your answer. 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. Objects of the same electric charge The measurements done with the micrometer obtained the highest number of significant figures for the thickness of a single sheet of text book paper. Repeat steps 1. Electrons carry negative charge and protons carry positive charge. Introduction Electricity is an essential part of the modern life experience, and as an engineer it is essential to know how it behaves and responds to changes in its trajectory. Once you rub the balloon to the sweater, it gathers electrons so that once you place the balloon on the wall it will stay up and attached to it. What happens? attachment_1. Rub the second lucite rod with silk, and bring it close to the first rod. 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. You are going to measure the displacement of the hanging ball. same between the two charges. Hold the rod in this position, and briefly touch the top of the electroscope with your other finger. What happens? The lab uses an internet application to demonstrate how equal and opposite charges on pith balls create a repulsion force that . Placeq 1 andq 2 4cmapart. clear adhesive tape, How does the plastic rod affect the pith balls after they have been charged with the lucite rod? Test your understanding: Without using the simulations, predict the answers to these questions, then use the simulation to check your ideas. Include in the discussion the vocabulary: electric repulsion; compare with charge Recharge the sliding ball so it produces the maximum force, and experiment with pushing it toward the hanging ball. For this experiment, I got the negative charges from the sweater for both balloons. 12 Test Bank, Chapter 01 - Fundamentals of Nursing 9th edition - test bank, Kami Export - Jacob Wilson - Copy of Independent and Dependent Variables Scenarios - Google Docs, Kami Export - Athan Rassekhi - Unit 1 The Living World AP Exam Review, Greek god program by alex eubank pdf free, Kaugnayan ng panitikan sa larangan ng Pilipinas, EDUC 327 The Teacher and The School Curriculum, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, The University of Texas Rio Grande Valley. Charges and FieldsThis part uses the simulation from PhET Interactive Simulations, Learning Goals: Students will be able to describe and draw models for common static electricity concepts. (Do not confuse electrical polarization with the polarization of light, which is an entirely different phenomenon.). Definitely a returning customer. In most of the exercises, you do not take data, but record a short description of your observations. Reflect on your answer to #6, write down any new ideas that you have. Have a class static-electricity_en, Lab 1 - Electrostatics Your matched tutor provides personalized help according to your question details. In this simulation, a little different model is used. The reason of why electrolytes or ionic compounds are supposed to conduct electricity is because of the charge of the molecule, ionic . Lift off the top cover and look down on the ball. In order for the balloon to stick to the wall you need to have rubbed the balloon on the sweater so that it is able to collect electrons, then once you place the balloon near the wall it will stay on it. Science. Using the values from the experiment, we found that the slope of the line is 1.51. (You may feel a slight shock.). Most materials are electrically neutral they have an equal illustrates the direction of the field in a positive and negative char. After that, I then made him touch the doorknob and all of the negative charges followed through the door. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . Provide another example from your own experience, compare, and contrast your scenario to the provided scenario below. If the experiments are difficult on the first week of the electrostatics lab, they will be left up so you can try some of them with the Van de Graaff experiments in the following lab. discussion. For a If you listen to a radio, then you are using Maxwell's research. Electrons moved from sweater to balloon like predicted. If the electroscope needle falls to 0 in a few minutes, the heat lamp will help in the experiments below. For a negative charge, Electrons carry negative charge Hold the metal plate by its insulating handle as far from the metal as possible. Move the sliding ball in steps of 0.5 cm for each new measurement. A. 2 1 m 12 V 8 V/m Wool is a conductive material, which means it readily gives away its electrons. When the balloons are rubbed by fur, they become charged negatively. 438v+3. In an insulator (a material that does not conduct electricity), a charge cannot move very far (if at all). 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 Start each observation with the section number and step number (e.g., I-2 for the step below). electricity concepts. Write observations with drawings of discussion. Lab report 2. To conduct this experiment, I first filled him up with a lot of negative charges. Wool is a conductive material, which means it readily gives away its electrons. Repeat the procedure if necessary, pushing the sliding ball up until it touches the hanging ball. Procedure Both the negative and positive charges have the same pull/push strength that can affect gaining electrons now has more electrons and becomes negative. measurements. 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. Most electrons will go into the knob and down to the earth. with your partner what is happening when he touches the knob. Repeat the demo several times. After that, I then Arrange the objects in two categories according to their cha. iv. The experiment that was conducted to prove my theory started by getting all the negative charges from the sweater then putting it up against the wall once it was filled with the negative charges. When the balloon has been rubbed enough times to gain a sufficient negative charge, it will be attracted to the wall. Lab 1.Electrostatics Goals To understand and verify the behavior of the two kinds of charge, denoted "positive" and "negative", respectively. illustrates the direction of the field in a positive and negative charge. For a negative charge, the field is directed inward towards the charge (figure 1b). The arrows on the puck are illustrating how both the positive and Consequently, Usually, it is possible to calculate the currents and voltages in a circuit by solving a set of equations, the calculations are required to design a safe circuit.and this is one reason why advanced mathematics is so important in the field of electrical engineering. Say Discuss Their divergence indicated the presence of charge. This process extends to other objects and real world applications, such as the controlling of electrical cable manufacturing and application in areas such as a television depot station, where static electricity must be managed and accounted for to avoid disruptions. attachment_2. The purpose of this lab was to understand the idea of electrostatics AKA static electricity, and how electric charges interact with one another. Copyright: Fixed Distance, Changing Charge 1. Insert your data table and graph from your Begin rubbing it with the fur. other (sweater) ends up with a deficiency of electrons and becomes positively charged. Usually the lucite needs to be charged only once for the entire experiment. At the bottom of the rod, very thin gold leaves were folded over hanging down, or perhaps a gold leaf hung next to a fixed vane. If you have done everything correctly, the electroscope should have a permanent deflection. What happens? Nevertheless, a charged object will attract a neutral macroscopic object by the process of electrical polarization. Static Bring up John Travoltage. Write how the results of your Experiment 1 - Driven Harmonic Oscillator, Experiment 6 - The Charge-to-Mass Ratio of the Electron. There is a tall box containing a hanging pith ball covered with a conducting surface, and similar pith balls on sliding blocks. A rod of plastic rubbed with fur or a rod of glass rubbed with silk will attract small pieces of paper and is said to be electrically charged. It is pretty easy basic calculations, Electricity, Magnetism, and Light Compare/Contrast Paper. Determine how different objects interact through the electrostatic force. After it touches the sliding ball, the hanging ball will pick up half the charge and be repelled away. 12 Test Bank - Gould's Ch. Remove the sliding ball, and recheck the equilibrium position of the inside edge of the hanging ball. (Sometimes it is necessary to touch different parts of the rod to the balls.) and the negative charge would push. Question 4: What might happen to the charge on the man when he touches the doorknob? Connect the 3-phase circuit as shown in gure 1.2. 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. The negatively charged balloon repels the negatively charged electrons, thus forcing them to move downwards. Recharge the metal plate, and bring it slowly near the top of the electroscope. repel, and objects of opposite charges attract. with sharing and discussing. The image shows that the negative charges do repel each other and the positive charges You can ameliorate this effect somewhat by shining a heat lamp on the insulators in the apparatus. Electrical circuits are described with mathematical expressions. grounding. Use a Google Spreadsheet to document your data, graph and determine the equation for the relationship. Electric charge comes in two forms: positive and negative. However, it is known that the making and breaking of contact between the two materials transfers the charge. 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. Plot (by hand or with Excel) \(d\) versus \(1/r^2\). The negative charges quickly left his body as he touched the doorknob as shown below. At this point electrons will flow between the electroscope and the ground, giving the electroscope an overall charge. Record the time it takes the electroscope needle to fall completely to 0. With the positive charge you can push the positive puck, and on the other hand, you can use the negative charge to pull the positive puck. Move the plate away from the electroscope, and record what happens with the electroscope needle. If two objects are charged in the same way, they show repulsion. The method is up to you; explain your plan and results in your notes. the negative charge to pull the positive puck. different charges in the same exact place, nothing would happen because they cancel out. B. Static Electricity Experiment Introduction The purpose of this experiment is to separate salt and pepper by using static electricity. 4 Reflect on your answer to #2, write down how your thinking has changed. Have a class The purpose of the mirror is to minimize parallax errors in reading the scale. It is created when materials are pulled apart or rubbed together, causing positive (+) charges to collect on one material and negative (-) charges on the surface of the other. your observation with captured images from the simulation. The study of the Coulomb forces among arrangements of stationary charged particles is called electrostatics. One common demonstration performed with the electroscope involves the induction process of charging. Answer: A variable DC (direct current) supply provides variable output voltages. The hanging ball should be repelled strongly. Static Electricity Lab Report new Lab Report University University of North Carolina at Greensboro Course Genrl Physics Ii With Calc Lab (PHY 292L) Academic year2018/2019 Helpful? Because the wall is also an electrical insulator, the charge is not immediately discharged. Now if we connect a conducting wire or any other conducting material from the polarized conductor to the ground, we provide a path through which the electrons can move. A modern electroscope such as the one used in your experiments consists of a fixed insulated vane, to which is attached a delicately balanced movable vane or needle. CONCLUSION. remain despite the sides the two tape pieces face. a. Record and explain your results. USW00094728 a 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.

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