game. Lab 1 - Electrostatics Lab's goal To investigate the electrostatic interaction between various objects. Direct current is a type of current that flows only in one direction. it should be brief, start with a key word, and indicate the nature of the experiment. Berea, Kentucky, United States. These equations will verify this statement: -Vs+Vr1+Vr2=0-5v+1. Hit RESET to do this several times. in topics pertaining to physics and Hypnotization has been at the center of innumerable discussion and discourse among experts and quacks alike. the run button on the upper tool bar. For a negative charge, 990 Words. when using the two different charges opposite to each other the puck would go twice as fast towards the negative charge puck. You do not need to repeat the question. Critique the lab and describe opportunities for further / future work. spreadsheet. B. Copyright: In the demo John Travoltage is basically attaining negative electrons/particles due to stepping and rubbing his foot on the carpet, once he touches the door knob that is metal he is shocked or slightly electrocuted. Their electrons are bound tightly and cannot move. pulling or pushing. Lab report 2. Explain your results. The purpose of the mirror is to minimize parallax errors in reading the scale. when using the two different charges opposite to each other the puck would Step 2: Note down the reading on the ammeter and the voltage of the battery. What do you predict for the answer? If the wire or path is subsequently disconnected, the conductor as a whole is left with a net positive charge. . vvjut. Move the sliding ball in steps of 0.5 cm for each new measurement. Electrostatics experiment Apparatus Faraday used in the experiment: a metal pail (A)is supported on a wooden stool (B)to insulate it from the ground. As shown in the demo below, the sweater is positive and the balloon attaches to the sweater due to the rubbing and the balloon essentially attracts to the electrons. Global warming is one of the most important issues in the world. In this lab report, three methods of separating salt and pepper from each other are tested. What should you plot against what? where r is the distance between the two charges and k is called the proportionality constant and is equal to 9 x 109 N.m2/C2 . Once a charge is placed on an insulator, it will remain at the same spot until it is neutralized . The negatively charged force. Electric Circuits 1 lab report 1. Typically, lab reports present data, discuss results, and provide conclusions. Some materials will The fundamental concept in electrostatics is electrical charge. For example, if a negatively charged rod is brought close to an isolated, neutral insulator, the electrons in the atoms of the insulator will be pushed slightly away from the negative rod, and the positive nuclei will be attracted slightly toward the negative 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. This lab can be done with different materials found at home. Estimating the charge of one . Consequently, what happens and then repeat the demo. Performing experiments and writing lab reports provide hands-on experiences with engineering concepts and devices. The arrows on the puck are illustrating how both the positive and. The Essay on Formal lab report on ionic and covalent compounds. This process is called charging by friction. Charge sticks on an insulator, but does not move freely through it. They were attracted to the positive charges of the sweater instead of each other. With the electroscope deflected as a result of the operations above, bring the charged lucite rod near the electroscope again. Electrons will actually move along this path to the ground. Discussion, Results and Conclusion Conclusion This lab aimed to show the effects of electrostatic forces between different charged objects. 2. Determine how different objects interact through the electrostatic force. balloon repels the negatively charged electrons, thus forcing them to move downwards. Static Your body thus acts as an electrical ground. Consequently, when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's surface. Later, other materials were found which exhibited this same behavior. Where does the energy that makes the sparks and lights the tube come from? Electric charge comes in two forms: positive and negative. Questions are posted anonymously and can be made 100% private. (Do not confuse electrical polarization with the polarization of light, which is an entirely different phenomenon.). If the humidity is fairly low on the day of your lab, the experiments will proceed easily. on the wall it will stay up and attached to it. Electrostatics Lab Name: Bryan Michel Materials: Styrofoam cups Styrofoam plates PVC Pipe Fur Scotch Tape Procedures: You will be investigating charging object by friction. with sharing and discussing. Record your data in the following table. Explore to develop your own ideas about electrical charge. d. How would the arrows look if the puck was negative? Procedure Make, sure the tapes are sufficiently far so that they do not interfere. The negative charges quickly left his body as he touched the doorknob as shown below. 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. Lift off the top cover and look down on the ball. I tried to put iii. (phet.colorado/en/simulation/john-travoltage). Devise and execute an experiment to verify the dependence of the Coulomb force on the value of one of the charges. Record the time it takes the electroscope needle to fall completely to 0. 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! Touch the pith balls with your finger to discharge them. The polarization of charge in the insulator is small, but now its positive charge is a bit closer to the negative rod, and its negative charge is a bit farther away. The hanging ball should be at the same height as the sliding ball (i.e., the top of the mirrored scale should pass behind the center of the hanging pith ball, as in Figure 12 below). Is Coulomb's Law verified? has been fossilized). You can record and graph data in Excel or by hand (although if you work by hand, you will lose the opportunity for 2 mills of additional credit below). An empty meter should appear; to start the measurement press the green 'play' button at the top of the screen. your observation with captured images from the simulation. The lab helped explore concepts of static electricity and discover how many types of electrical charges exist and how they interact with each other. Hit RESET to do this several times. The purpose of this lab was to understand the idea of electrostatics AKA static electricity, and how electric charges interact with one another. USW00094728 There were four unknown solutes A, B and C. Each had a specific weight and was dissolved in a certain amount of solute to form either the covalent or ionic solution. The excess amount of negative charge in his body will go through the doorknob as he touches it. In a metal, a charge can move freely and stay on the surface. She found a charging station with a USB adaptor port. The little yellow E field sensors are like the When rubbed, a piece of amber can attract small objects like tiny pieces of paper. The positive charges on the wall will move towards the balloon, while the negative charges will, What do you predict for the answer? Record your observations in writing either on the computer (e.g., in Microsoft Word) or on your own paper. Coordinate a broad array of scientific expertise: - Manages multiple projects within scope/budget/schedule . Try to estimate measurements to 0.2 mm. Lynn University. Static electricity or Electrostatics David Case: March 6, 2015 Experiment #8 Static Electricity or Electrostatics Objective: To explore the concepts of static electricity and to discover how many types of electrical charges exist and how they interact with each other Materials: Does anything need to be held constant? The lucite plate is positively charged by being rubbed with silk. For example, if you charge a balloon by rubbing it on your hair, it can stick to a neutral wall. tapes are beginning to lose their charge, you can recharge them by repeating the preliminary set-up. Electrostatics Lab Conclusion: Explain how the balloons are in equilibrium and how this allows us to calculate the electrostatic force. illustrates the direction of the field in a positive and negative char. Description Hi, I need Phy 2 lab report about Electrostatics the data sheet is in the file below. If you use two of the same charges to move the puck, it would move twice as fast, if you use two When charge was transferred to the top, the gold leaves would become charged and repel each other. USW00094728 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 . As shown in the demo below, the sweater is positive and the balloon attaches to the Gold was used because it is a good conductor and very ductile; it can be made very thin and light. Collect data by turning on Values & drag in the Tape Measure like in this image: The answers from #2 and #3 support the results from the investigation since the same rule applies that similar charges will repel each other and opposite charges will attract each other. Figure 1. Their divergence indicated the presence of charge. Recharge the lucite rod with silk. Stuck on a homework question? Here you explain why you got the answer that you did (5: 164-171). Remove the lucite rod. Bring the lucite rod near (but not touching) the top of the electroscope, so that the electroscope is deflected. Recharge the metal plate, and actually touch it to the top of the electroscope. General Physics II Lab (PHYS-2021) Experiment ELEC-1: Electrostatic Charges Objective: InPartAoftoday'sexperimentyouwilldemonstratethelawofconservationofchargeaswell Thus, the polarized material will experience a net attractive User. The direction of this force is determined by the sign of the charges: like charges repel and unlike charges attract and acts along the line between the two point charges. discussion. Physics 2 Static Electricity Lab Report University The University of Texas Rio Grande Valley Course General Physics II (PHYS1402) Uploaded by Amanda Joy Academic year2020/2021 Helpful? 12 Test Bank - Gould's Ch. Remove the lucite rod, and bring a charged rough plastic rod near the electroscope. 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! Plastic rubbed with wool/silk/cotton/any other material, Wood rubbed with wool/silk/cotton/any other material, Glass rubbed with wool/silk/cotton/any other material, Rubber rubbed with wool/silk/cotton/any other material, Username is too similar to your e-mail address, Introduction to Electrostatics Lab Report. During the few days after your assigned lab period: Meet with your lab partners to plot and/or reduce your data, to draw conclusions, and to the group lab report. In an insulator (a material USW00094728 USW00094728 Payment is made only after you have completed your 1-on-1 session and are satisfied with your session. Touch the lucite rod to the top of the electroscope. The arrows would be opposite to what the picture displays. In this section, you will observe the induced polarization of a neutral insulator and the transfer of charge by contact. 1. USW00094728 Charge the metal plate of the electrophorus in the usual way by rubbing the plastic base with silk, placing the metal plate on the base, and touching it with your finger. 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). Electrostatics, as the name implies, is the study of stationary electric charges. You will be testing the inverse \(r\)-squared dependence of Coulomb's Law with a very simple apparatus. As a result, like charges repel each other and unlike charges attract each other. Some positive charges in the wall will move towards the balloon. From the equation of Electric Field Charge (E=kq/r^2), we substitute our values of E (electric field charge), q (voltage charge), and r (distance) and solve for k. Solving for k, would give us the slope of the line m = k/r^2. Placeq 1 andq 2 4cmapart. 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. Talk about the similarities and The hanging ball should be repelled strongly. then repeat the demo using the sim. When a charged object is brought near the electroscope, the gold Open phet.colorado/sims/html/balloons-and-static-electricity/latest/balloons-and- Science. when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's. However, if a neutral object is placed inside a strong electric field, the material may become polarized. It depicts how the gravitational attraction force for small objects is insignificant when compared to electrostatic charge. The charged particles which make up the universe come in three kinds: positive, negative, and neutral. Time up to five minutes, if necessary. What is the average distance a spark will jump? To experimentally investigate electrostatics, some chargedetecting or measuring device is needed. The material gaining electrons now has more electrons and becomes negative. Please write answers direct on the PDF file. Charge the rough plastic rod with cat's fur. The magnitude of the electrostatic force between two-point charges ql and q2 is given by Coulomb's law. move? Comment in your notes. This USB port seemed to have very high amperage, meaning it charged her phone quickly. SHOW ALL CHARGES and ask the students to write observations and include drawings and The material losing electrons now has fewer electrons than normal and becomes positive. Using Coulombs law, we can explore the effect of the distance, between two charged particles, on the force between them. 4 1 m 24 V 16 V/m electroscope. The current should be read on the 300 mA (or lower) scale. What happens? Conclusion from Ohm's Law lab Report We learned that current and voltage hold a direct relationship for resistive components. The positive charges on the wall will move towards the balloon, while the negative charges will repel against each other. a made him touch the doorknob and all of the negative charges followed through the door. BOOK Capacitors And Electrostatics Lab Report Conclusion PDF Book is the book you are looking for, . B. (Refer to the theory section, if necessary.). 12 Test Bank - Gould's Ch. Explore to develop your own ideas about electrical charge. Recordtheforceonq 1 byq 2,F 21 andtheforceonq 2 byq 1,F 12 . 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. when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's wall. If the sticky side of both the tape. attachment_1. with your partner what is happening when he touches the knob. Repeat the demo several times. A new classified U.S. Dept. same between the two charges. When the balloon has been rubbed enough times to gain a sufficient negative charge, it will be attracted to the wall. 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 positive charge would pull Once again, recharge the metal plate. Abstract. Antimicrobial Properties Of Essential Oils. Use a little whipping motion at the end of the rubbing. 2 1 m 12 V 8 V/m This part uses the Charges and Fields simulation from PhET Interactive Simulations, Learning Goals: Students will be able to describe and draw models for common static
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