Electric_Field.ppt
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When a charged body is kept at some place, a region surrounding this body comes under stress and strain. According to Coulomb’s Law, if a charge (positive or negative) is brought into this stressed region, a force of repulsion or attraction is experienced by it. This stressed region around a charged body is called electric field. Thus, a region or space around a charged body in which a charge experiences a force of attraction or repulsion is called an electric field or electrostatic field.
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Experiment #{Experiment Title}Date Performed .docx
Experiment #
{Experiment Title}
Date Performed:
Date Report Submitted:
Report Author:
Lab Partner[s]:
Instructor’s Name:
Section Number:
I. Introduction
Three sentences are fine for the introduction. State what you measured, what you calculated, and what you are comparing your results to. Avoid using first person in the report. This section is 5 points. Refer to Appendix B and your Lab 1 Report for full instructions.
II. Data
This section is worth 20 points.
All measurements must be included and have proper unites and significant figures.
Data needs to be neat and understandable with explanations or equations.
Put in-lab data sheets signed behind this page when submitting the paper copy of your report.
The “data” heading can stay on the same page as the introduction or be hand written on top of the data sheet.
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
III. Data Analysis
This section is worth 30 points. It contains the calculations, graphs, and sample calculations if one was performed repeatedly. Always calculate a percent difference between experimental and theoretical vales. There are directions on how to set up graphs in Appendix B.
You can use Word to type equations by clicking “Equation” on the “Insert” Tab or by clicking Alt and = simultaneously. Word lets you use Latex or Unicode to type equations. It also has buttons to press to insert symbols under the new “Design” tab if you do not know Latex or Unicode. If you hover over button, it will tell you how to type it using Latex or Unicode (whatever is selected)
The hypotenuse length can be found using the side lengths:
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
IV. Discussion
This section will contain a table of summary results and paragraphs discussing the accuracy of results, the sources of errors, and the physics or answers to questions. Below is a sample summary table. Please be sure to update it or replace it with a table for the correct information.
Table 1 : Summary of Results
Measured Diameter [m]
Error in Measured
Theoretical Diameter [m]
%Difference
It is important to discuss types of error and largest error in your experiment. Refer to Section D of Appendix B and the Discussion from Lab 1 for more information.
V. Conclusion
You only need two sentences minimum and this section is worth 5 points. Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
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In this experiment, you use a voltage probe and a computer data acquisition system to
measure the electric potential between two metal electrodes. The electrodes are placed in a tray,
which contains a shallow layer of water. The electrodes are connected to a D.C. power supply,
which maintains a constant potential difference. The water allows an electric current to flow
fr.
Experiment #{Experiment Title}Date Performed .docx
Experiment #
{Experiment Title}
Date Performed:
Date Report Submitted:
Report Author:
Lab Partner[s]:
Instructor’s Name:
Section Number:
I. Introduction
Three sentences are fine for the introduction. State what you measured, what you calculated, and what you are comparing your results to. Avoid using first person in the report. This section is 5 points. Refer to Appendix B and your Lab 1 Report for full instructions.
II. Data
This section is worth 20 points.
All measurements must be included and have proper unites and significant figures.
Data needs to be neat and understandable with explanations or equations.
Put in-lab data sheets signed behind this page when submitting the paper copy of your report.
The “data” heading can stay on the same page as the introduction or be hand written on top of the data sheet.
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
III. Data Analysis
This section is worth 30 points. It contains the calculations, graphs, and sample calculations if one was performed repeatedly. Always calculate a percent difference between experimental and theoretical vales. There are directions on how to set up graphs in Appendix B.
You can use Word to type equations by clicking “Equation” on the “Insert” Tab or by clicking Alt and = simultaneously. Word lets you use Latex or Unicode to type equations. It also has buttons to press to insert symbols under the new “Design” tab if you do not know Latex or Unicode. If you hover over button, it will tell you how to type it using Latex or Unicode (whatever is selected)
The hypotenuse length can be found using the side lengths:
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
IV. Discussion
This section will contain a table of summary results and paragraphs discussing the accuracy of results, the sources of errors, and the physics or answers to questions. Below is a sample summary table. Please be sure to update it or replace it with a table for the correct information.
Table 1 : Summary of Results
Measured Diameter [m]
Error in Measured
Theoretical Diameter [m]
%Difference
It is important to discuss types of error and largest error in your experiment. Refer to Section D of Appendix B and the Discussion from Lab 1 for more information.
V. Conclusion
You only need two sentences minimum and this section is worth 5 points. Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
2
Experiment 2
Electric Potential and Field Mapping
Introduction
In this experiment, you use a voltage probe and a computer data acquisition system to
measure the electric potential between two metal electrodes. The electrodes are placed in a tray,
which contains a shallow layer of water. The electrodes are connected to a D.C. power supply,
which maintains a constant potential difference. The water allows an electric current to flow
fr.
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* Given: q = 8.00 x 10-9 C
* Side of cube = 0.200 m
* Distance between charge and side = 0.141 m
* Area of each face = 0.200 x 0.200 = 0.0400 m2
* Using Gauss's law: φE = EA
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Experiment #{Experiment Title}Date Performed .docx
Experiment #
{Experiment Title}
Date Performed:
Date Report Submitted:
Report Author:
Lab Partner[s]:
Instructor’s Name:
Section Number:
I. Introduction
Three sentences are fine for the introduction. State what you measured, what you calculated, and what you are comparing your results to. Avoid using first person in the report. This section is 5 points. Refer to Appendix B and your Lab 1 Report for full instructions.
II. Data
This section is worth 20 points.
All measurements must be included and have proper unites and significant figures.
Data needs to be neat and understandable with explanations or equations.
Put in-lab data sheets signed behind this page when submitting the paper copy of your report.
The “data” heading can stay on the same page as the introduction or be hand written on top of the data sheet.
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
III. Data Analysis
This section is worth 30 points. It contains the calculations, graphs, and sample calculations if one was performed repeatedly. Always calculate a percent difference between experimental and theoretical vales. There are directions on how to set up graphs in Appendix B.
You can use Word to type equations by clicking “Equation” on the “Insert” Tab or by clicking Alt and = simultaneously. Word lets you use Latex or Unicode to type equations. It also has buttons to press to insert symbols under the new “Design” tab if you do not know Latex or Unicode. If you hover over button, it will tell you how to type it using Latex or Unicode (whatever is selected)
The hypotenuse length can be found using the side lengths:
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
IV. Discussion
This section will contain a table of summary results and paragraphs discussing the accuracy of results, the sources of errors, and the physics or answers to questions. Below is a sample summary table. Please be sure to update it or replace it with a table for the correct information.
Table 1 : Summary of Results
Measured Diameter [m]
Error in Measured
Theoretical Diameter [m]
%Difference
It is important to discuss types of error and largest error in your experiment. Refer to Section D of Appendix B and the Discussion from Lab 1 for more information.
V. Conclusion
You only need two sentences minimum and this section is worth 5 points. Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
2
Experiment 2
Electric Potential and Field Mapping
Introduction
In this experiment, you use a voltage probe and a computer data acquisition system to
measure the electric potential between two metal electrodes. The electrodes are placed in a tray,
which contains a shallow layer of water. The electrodes are connected to a D.C. power supply,
which maintains a constant potential difference. The water allows an electric current to flow
fr.
Experiment #{Experiment Title}Date Performed .docx
Experiment #
{Experiment Title}
Date Performed:
Date Report Submitted:
Report Author:
Lab Partner[s]:
Instructor’s Name:
Section Number:
I. Introduction
Three sentences are fine for the introduction. State what you measured, what you calculated, and what you are comparing your results to. Avoid using first person in the report. This section is 5 points. Refer to Appendix B and your Lab 1 Report for full instructions.
II. Data
This section is worth 20 points.
All measurements must be included and have proper unites and significant figures.
Data needs to be neat and understandable with explanations or equations.
Put in-lab data sheets signed behind this page when submitting the paper copy of your report.
The “data” heading can stay on the same page as the introduction or be hand written on top of the data sheet.
Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
III. Data Analysis
This section is worth 30 points. It contains the calculations, graphs, and sample calculations if one was performed repeatedly. Always calculate a percent difference between experimental and theoretical vales. There are directions on how to set up graphs in Appendix B.
You can use Word to type equations by clicking “Equation” on the “Insert” Tab or by clicking Alt and = simultaneously. Word lets you use Latex or Unicode to type equations. It also has buttons to press to insert symbols under the new “Design” tab if you do not know Latex or Unicode. If you hover over button, it will tell you how to type it using Latex or Unicode (whatever is selected)
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Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
IV. Discussion
This section will contain a table of summary results and paragraphs discussing the accuracy of results, the sources of errors, and the physics or answers to questions. Below is a sample summary table. Please be sure to update it or replace it with a table for the correct information.
Table 1 : Summary of Results
Measured Diameter [m]
Error in Measured
Theoretical Diameter [m]
%Difference
It is important to discuss types of error and largest error in your experiment. Refer to Section D of Appendix B and the Discussion from Lab 1 for more information.
V. Conclusion
You only need two sentences minimum and this section is worth 5 points. Refer to Appendix B and your Lab 1 Report for full instructions and how to achieve full points.
2
Experiment 2
Electric Potential and Field Mapping
Introduction
In this experiment, you use a voltage probe and a computer data acquisition system to
measure the electric potential between two metal electrodes. The electrodes are placed in a tray,
which contains a shallow layer of water. The electrodes are connected to a D.C. power supply,
which maintains a constant potential difference. The water allows an electric current to flow
fr.
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3. Key concepts covered include the relationship between electric field and flux, the effect of angle between field and area on flux, and using Gauss's law to determine flux through a surface based on enclosed charge.
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This document discusses the topics of electromagnetic fields and the fundamental units and constants used in electromagnetics. It defines electromagnetics as the study of electric and magnetic phenomena caused by electric charges at rest and in motion. Both positive and negative charges produce electric fields, while moving charges create magnetic fields. It also introduces four fundamental SI units, permeability and permittivity of free space as universal constants, and the velocity of electromagnetic waves in free space.
electric charge and electric field
The document discusses concepts related to electric charge, electric fields, and electric circuits. Some key points covered include:
- Charged objects exert forces on each other via an electric field according to Coulomb's law. The electric field is defined as the force per unit charge.
- Conductors allow free flow of electric charge while insulators do not. Resistors in circuits control current flow according to Ohm's law.
- Electric potential energy and voltage difference can be defined from the work done in electric fields. Equipotential surfaces exist where electric potential is constant.
- Electric current is the rate of flow of electric charge through a cross-sectional area of a conductor. Current, voltage, and resistance
Physics Chapter Three - Electric Fields and Charges
Static electricity is caused by the buildup of electric charge on objects. Charges build up when electrons are transferred between materials due to friction, leaving one material with an excess of electrons and the other with a deficit. Lightning is a large-scale example of static electricity, occurring when charge builds up in clouds and is discharged to the ground. The electric field is the region around charged objects where other charges will feel a force. It can be depicted by electric field lines and is strongest close to charged objects. Coulomb's law describes the relationship between the electric force, charges, and distance.
Electromagnetic Homework Help
I am Irene M. I am an Electromagnetism Assignment Expert at eduassignmenthelp.com. I hold a Ph.D. in Electromagnetism, from California, USA. I have been helping students with their homework for the past 8 years. I solve assignments related to Electromagnetism.
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Electrostatics
This document discusses electrostatics and covers the following topics in 3 sentences or less:
The origin and types of electricity are explained along with the different mediums of conductors, semiconductors, and insulators. Coulomb's law describes the force of attraction or repulsion between two point charges. Electric field, electric field intensity, and electric lines of force are defined in relation to the region around an electric charge.
Conductors, capacitors, dielectrics
1) The document discusses key concepts related to electric forces, fields, and circuits including that electric fields point in the direction of force on a positive test charge and capacitance depends on surface area, plate separation, and dielectric material.
2) Important vocabulary is defined like conductors, electric fields, capacitors, and dielectrics.
3) Formulas are presented for calculating values like charge, Coulomb's law, electric field, potential, capacitance, current, and resistance.
Electricfields
1. Michael Faraday developed the concept of an electric field as a property of space around a charged object that causes forces on other charged objects. The electric field at a point is defined as the force on a test charge divided by the test charge.
2. Electric field lines represent the direction of the electric field, with closer lines indicating a stronger field. The electric field due to multiple charges is the vector sum of the individual fields.
3. Electric potential difference (voltage) is defined as the change in electric potential energy of a charge divided by the charge, and represents the work required to move a charge between two points against the electric field.
Electric Fields
Electric fields exist in the area around charged objects and cause electrostatic force on other charged objects. The strength of the electric field determines the amount of force experienced by an object with a certain charge. Electric field lines can be mapped by observing the direction a test charge would move, with field lines pointing outward from positive charges and inward toward negative charges.
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Electric_Field.ppt
- 2. Analogy The electric field is the space around an electrical charge just like a gravitational field is the space around a mass.
- 3. Electric Field Space around a charge.
- 4. What is the difference?
- 5. Van de Graaff Generator Builds up static electric charges.
- 6. Electric Field Vector, E E = F/ qo qo , positive test charge E is a vector quantity Unit: N/C E is analogous to the gravitational field, g, where g=F/m
- 7. Example 1 A charge of 3µC is used to test the electric field of a central charge of 6C that causes a force of 800N. What is the magnitude of the electric field? Answer: 2.7 x108 N/C
- 10. Electric Field Lines of two Positive Charges
- 11. Electric Field Lines Lines that indicate the strength and direction of the electric field. The more dense the lines, the stronger the field. Electric field vectors are tangent to the curve. Simulation http://online.cctt.org/physicslab/content/applets/ pointcharges/elefi_z.htm
- 12. Conductors and Electric Fields (under electrostatic conditions) “The electric field is zero inside a charged conductor”. “Excess charge on an isolated conductor resides on the surface”. “Excess charge accumulates on sharp points”. Electric field lines meet the conductor perpendicular to the surface of the conductor.
- 13. Shielding The electric field is zero inside a charged conductor.
- 14. Where are you safe during a thunderstorm? A) In a car or B) Outdoors
- 15. Why can you not get radio reception in a tunnel or in a steel bridge?
- 16. Which field is stronger? A B
- 17. Electric Field for a Point Charge Using E=F/qo and Coulomb’s Law prove: E = k Q ______ r2 where Q is the central charge.
- 18. Example 2 A test charge of +3µC is located 5m to the east of a -4µC charge. A) Find the electric force felt by the test charge. B) Find the electric field at that location. Answer: 4.32x10-3 N, 1.44 x 103 N/C along the –x axis.
- 19. Example 3 If a test charge is moved to a location three times as far as its original location, how does the electric field change?
- 20. Example 4 Calculate the electric field felt by a test charge located half way between a charge of +1C and a charge of -3C, that are 2m apart. Answer: 1.8 x 1010 N/C