OBJECTIVES III. PRE-ASSESSMENT IV. LEARNING GOALS/TARGETS V. COMMON COMPETENCIES A. KNOW Lesson 1. Occupational Health and Safety Lesson 2. Introduction to Electricity Lesson 3. Basic Structure of Matter Lesson 4. Electric Charge Lesson 5. The Valence Shell Lesson 6. Electrical Current Lesson 7. Voltage Lesson 8. Resistance B. PROCESS Lesson 1. OHM’s Law Lesson 2. Complete Circuit Lesson 3. Types of Circuit Lesson 4. Circuit Diagrams Lesson 5. Resistor Lesson 6. Other Electronic Components Lesson
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- - Name: - Teacher: - Scientists: Ernest Orlando Lawrence Andre-Marie Ampere Subject: Physics Class: 12A Due Date: 20th August 2012 Name: - Teacher: - Scientists: Ernest Orlando Lawrence Andre-Marie Ampere Subject: Physics Class: 12A Due Date: 20th August 2012 Physics ERT: Magnetism Physics ERT: Magnetism Table of Contents Table
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world for the purpose of lightening and power the field of electric motors especially the AC type has shown a remarkable development in all prospects all over the world. As a result of the technological advancements the engineers throughout the world tried their best of best to come out with the most energy efficient and safe machines particularly‚ in the context of electric motors. In this report we will confine our discussion up to electric motors‚ their construction‚ operations‚ applications‚ performance
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Washington. Viney and Fenton (1998) defined the term electrophoresis as‚ “the migration of charged particles through a static medium under the action of an applied electric field (p. 576). Just from this definition‚ it is clear that numerous physics concepts can be used to help explain why electrophoresis works. First‚ I will discuss charge and electric fields and how these principles are utilized in gel electrophoresis. This will be followed by a
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INTRODUCTION If an electric current flows through a conductor in a magnetic field‚ the magnetic field exerts a transverse force on the moving charge carrier which tends to push them to one side of the conductor. A buildup of charge at the sides of the conductors will balance this magnetic influence‚ producing a measurable voltage between the two sides of the conductor. This presence of measurable transverse voltage is the Hall Effect. The Hall effect was discovered in 1879 by Edwin Herbert Hall
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Chapter 1 THE PROBLEM AND ITS BACKGROUND Introduction: People are using more and more household batteries. The average person owns about two button batteries‚ ten normal (A‚ AA‚ AAA‚ C‚ D‚ 9V‚ etc.) batteries‚ and throws out about eight household batteries per year. A battery is an electrochemical device with the ability to convert chemical energy to electrical energy to provide power to electronic devices. Batteries contain heavy metals such as mercury‚ lead‚ cadmium‚ and nickel‚ which can contaminate
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Week #7 Chapter 10 Static and Current Electricity Exercises (p.221) 6. Strictly speaking‚ will a penny be slightly more massive if it has a negative charge or a positive charge? Explain. A negative charge because when it is negatively charged electrons are added to the penny. 17. What is the voltage at the location of a 0.0001 C charge that has an electric potential energy of 0.5 J (both voltage and potential relative to the same reference point)? Potential = energy Charge = 0.5 J / 0.0001
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The aim of this study is to demonstrate how batteries work. Batteries may seem a little magical‚ but they are not. A battery actually is just a container of chemicals that react together to produce a flow of electrons‚ which is what an electrical current really is. A battery has two terminals‚ one positive and one negative. They are usually marked by plus and minus signs‚ so you can tell which is which. After the battery is assembled‚ a multimeter / voltmeter can be used to check the generated voltage
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DUMALE AMPERE Metric (SI) unit of electrical current. One ampere is the amount of current flowing with an electromotive force of one Volt in a circuit having a resistance of one Ohm. Named after the French mathematician and physicists Andre Marie Ampere who discovered the basic laws of electromagnetism. AMPERE’S FORCE LAW Ampere’s force law states that there is an attractive or repulsive force between two parallel wires carrying an electric current. This force is used in the formal definition of
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Static electricity: electric charge that builds up on the surface of an object Friction: is the force resisting the relative motion of two surfaces in contact When two objects are rubbed together there is more contact between the surfaces and so more electrons are transferred Electron Affinity: Electron affinity is the tendency of a substance to hold onto electrons. Items high on the list (electrostatic/ triboelectric series) will tend to lose electrons easily (positive) Items low on the list
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