several objects found around the home made of wood, glass plastic and rubber Is there any difference in the behavior of the needle compared to the results in procedure 6? 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? The image shows that the negative charges do repel each other and the positive charges Conclusion general unknown metal objective the projectile motion are many concepts of a lab report conclusion. Fold one end to use as a handle. This laboratory activity provides the opportunity to investigate the concepts of static electricity, electrical force, charge, and polarization. It was found that the slope of the linear fit depicts that the electric field runs perpendicular to the potential lines, whose . Copyright: b. surface. Electrostatics 1991, - B. C. O'Neill 1991 The Eighth International Conference on Electrostatics organized by the Static Electrification Group of The Institute of Physics, was held at the University of Oxford The conductor has been polarized, and will now be attracted to the charged rod. particles, on the force between them. What do you predict for the answer? Usually the lucite needs to be charged only once for the entire experiment. vvjut. Conclusions Summarize what you learned in the lab, with specific references to the scientific concept under study which you detailed in the introduction. Some materials will grounding. attachment_3. Move the rod along and around the top so you touch as much of its surface to the metal of the electroscope as possible. (Refer to the theory section, if necessary.). (transfer of charge, induction, attraction, repulsion, and grounding). However, it is known that the making and breaking of contact between the two materials transfers the charge. The charged particles which make up the universe come in three kinds: positive, negative, and neutral. Determine the relationship between distance and the strength of the electric field around a charged body. Direct current is a type of current that flows only in one direction. 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. Take measurements, and record the diameter of the balls (by sighting on the scale). (Do not confuse electrical polarization with the polarization of light, which is an entirely different phenomenon.). discussion. contrast to the one from the negative charge? When rubbed, a piece of amber can attract small objects like tiny pieces of paper. Hold the metal plate by its insulating handle as far from the metal as possible. 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). When the balloon has been rubbed enough times to gain a sufficient negative charge, it will be attracted to the wall. It depicts how the gravitational attraction force for small objects is insignificant when compared to electrostatic charge. The study of the Coulomb forces among arrangements of stationary charged particles is called electrostatics. Observe and record what happens to the balls. B. Subject. Step 3: Add an extra bulb into the circuit loop. The puck will move horizontally right if both the magnitude and the distance were the What should you plot against what? Thus, the polarized material will experience a net attractive 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. game. gaining electrons now has more electrons and becomes negative. In a metal, a charge can move freely and stay on the surface. Therefore the balloon Experiment Title: Chemical Equilibrium and Le Chateliers Principle. Move the sliding ball in steps of 0.5 cm for each new measurement. The side which the tape faces matters. Our best tutors earn over $7,500 each month! a. Arrange the objects in two categories according to their cha. Studypool is not sponsored or endorsed by any college or university. illustrates the direction of the field in a positive and negative char. 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. The current should be read on the 300 mA (or lower) scale. (phet.colorado/en/simulation/john-travoltage). 286 Comments Please sign inor registerto post comments. has been fossilized). An earlier FBI conclusion agreed with the lab origin theory with "moderate confidence," but other U.S. government agencies - as well as DoE itself - previously concluded there isn't enough information . You will learn to detect the presence of electric charges and, at least semi-quantitatively, measure them. In this section, you will observe the characteristics of the two types of charges, and verify experimentally that opposite charges attract and like charges repel. (The heat lamp shining on the equipment may improve its operation.). Building Institutions for Results Delivery BIRD Earlier today, Murtala Adogi Mohammed of System Strategy and Policy Lab with Leo The Great Ebenezer, Head 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. As a result, like charges repel each other and unlike charges attract each other. The keynote speech delivered by Carl Sagan played a big r Our tutors provide high quality explanations & answers. 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. We are all familiar with the fact that cold, dry days are hot for electrostatics, and we get small shocks after walking across a rug and touching a door knob, or sliding across a car seat and touching the metal of the car door. 438v+3. Make, sure the tapes are sufficiently far so that they do not interfere. Test your understanding: Without using the simulations, predict the answers to these questions, then use the simulation to check your ideas. Move the plate away from the electroscope, and record what happens with the electroscope needle. on the wall it will stay up and attached to it. ii. Placeq 1 andq 2 4cmapart. 3) Stick the "T" and the "B" tape to a surface, so that about 9 cm of the tapes are hanging freely in the air. what happens and then repeat the demo. 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. Because the wall is also an electrical insulator, the charge is not immediately discharged. Some positive charges in the wall will move towards the the positively charged puck and they are different in the way they affect the puck by either Electrons will actually move along this path to the ground. made him touch the doorknob and all of the negative charges followed through the door. : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Assist the Continuous Improvement Manager on data collection, analysis, and compilation as it relates to LEAN projects throughout . The A chemical equilibrium is a state at which the rates of two opposing chemical (a)If 375J of heat are absorbed by the system, and it has 425 cal of work done by it, compute the change in the internal e What are some of the issues that we are have with global warming? This experiment consists of many short demonstrations in electrostatics. You must use appropriate significant figures and scientific notation in your answers. Once a charge is placed on an insulator, it will remain at the same spot until it is neutralized . 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. The balloons will move away from each other. Abstract. electrons leave the plate and enter the needle, both plate and support/needle acquire an imbalance Objects of the same electric cha. 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. Begin rubbing it with the fur. Determine how different objects interact through the electrostatic force. It is pretty easy basic calculations, Electricity, Magnetism, and Light Compare/Contrast Paper. Touch the pith balls with your finger to discharge them. then explore to develop your own ideas about electrical charge. For example, if you charge a balloon by rubbing it on your hair, it can stick to a neutral wall. Our verified tutors can answer all questions, from basicmathto advanced rocket science! Remove the sliding ball, and recheck the equilibrium position of the inside edge of the hanging ball. For this experiment, I got the negative charges from the sweater for both balloons. They are different in the way that a gravitational field acts on a mass and electric field acts on charges. Conclusion/Discussion Coordinate a broad array of scientific expertise: - Manages multiple projects within scope/budget/schedule . would be stationary. Studypool matches you to the best tutor to help you with your question. Talk about the similarities and Provide another example from your own experience, compare, and contrast your scenario to the provided scenario below. What happens? The reason of why electrolytes or ionic compounds are supposed to conduct electricity is because of the charge of the molecule, ionic . Repeat the procedure until you have experienced several sparks. Insert your data table and graph from your Be prepared to start your timer. They are classified as Nan-electrolyte compounds. 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. User generated content is uploaded by users for the purposes of learning and should be used following Studypool's. electroscope. Once the and rubbing his foot on the carpet, once he touches the door knob that is metal he is shocked or . to make the amount of charge vary. The reason why you can make a goal without hitting the puck is because we are using electric fields to move the puck. attachment_2. the run button on the upper tool bar. Figure 1. Describe the materials and fabrics that you found: Both the negative and positive charges have the same pull/push strength that can affect Bring the lucite rod near (but not touching) the top of the electroscope, so that the electroscope is deflected. remained. device used for producing high voltages and creating static electricity. Electrostatics Lab Name: Bryan Michel Materials: Styrofoam cups Styrofoam plates PVC Pipe Fur Scotch Tape Procedures: You will be investigating charging object by friction. The word electricity comes from the Greek word electron which means amber (a tree resin that Consequently, when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's surface. Recharge the metal plate, and actually touch it to the top of the electroscope. I tried to put the two balloons together, but they kept moving away from each other. How does the arrow from the positive charge compare and AST 109 Western Nevada College The Rotation of The Sun Lab Report. The metal plate is negatively charged by induction. (transfer of charge, induction, attraction, repulsion, and grounding). Record this explanation in your notes. Volume 1 covers mechanics, sound, oscillations, and waves. Electrons are being transferred from the balloon to the sweater. A. Discussion, Results and Conclusion Conclusion This lab aimed to show the effects of electrostatic forces between different charged objects. Oct 2011 - Present11 years 5 months. PHY 2 Lynn University Electrostatics Lab Report . Theory When objects are rubbed against each other they acquire electric charge. Our tutors are highly qualified and vetted. Hard rubber rods, which are also commonly used, become negatively charged. placed on an insulator, it will remain at the same spot until it is neutralized. USW00094728 Basic Questions for Ohm's Law Lab Report Question: What is Variable DC supply? Repeat the procedure if necessary, pushing the sliding ball up until it touches the hanging ball. Antimicrobial Properties Of Essential Oils. To investigate the electrostatic interaction between various objects. Figure 2 On the Van de Graaff, a hollow metal sphere is supported by a cylindrical insulating support stand. Please help with lab report discussion and conclusion. Reflect on your answer to #5, write down how your thinking has changed. 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Electrons are essentially being transferred from the balloon to the sweater. The data does suggest. An electroscope is a simple instrument to detect the presence of electric charge. remain despite the sides the two tape pieces face. The negative charges quickly left his body as he touched the doorknob as shown below. Distribution of charges in a polarized and non-polarized object. 1. Take a moment to check to position of the hanging ball in your Coulomb apparatus. Stuck on a homework question? Static Electricity Evaporation Dissolving The three methods will be compared at the end of this lab report. separated (positive on one side, negative on the other). Most electrons will go into the knob and down to the earth. USW00094728 The hanging ball should be centered on a line with the sliding balls. attachment_1. This process is called charging by friction. with sharing and discussing. How does the plastic rod affect the pith balls after they have been charged with the lucite rod? Performing experiments and writing lab reports provide hands-on experiences with engineering concepts and devices. Static Electricity Experiment Introduction The purpose of this experiment is to separate salt and pepper by using static electricity. A simple circuit requires a power source that supplies a certain amount of voltage as well as wires to connect the . separated (positive on one side, negative on the other). Record your observations. A mirrored scale permits you to determine the position of the balls. equal to 9 x 10 9 N 2 /C 2. If the wire or path is subsequently disconnected, the conductor as a whole is left with a net positive charge. Say Discuss 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. the source of this attraction is due to the presence of static electric charge.