UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level PHYSICS 5054/12 Paper 1 Multiple Choice May/June 2011 1 hour Additional…

CHAPTER 20 Static Electricity The wool becomes positively charged because it gives up electrons to the rubber rod. 5. Conservation of Charge An apple contains trillions of…

Contents 1. 2. 3. 4. 5. 6. 7. 8. Electrostatic Phenomena The Atom Charges Insulators and Conductors Charging and Discharging The Electroscope Electric Fields Uses and Dangers…

Chapter 21 The Electric Field I: Discrete Charge Distributions Conceptual Problems 1 • Objects are composed of atoms which are composed of charged particles (protons and…

CHAPTER 22 The Electric Field I: Discrete Charge Distributions 1*·If the sign convention for charge were changed so that the charge on the electron were positive and the…

Slide 1 Slide 2 Static Electricity Slide 3 What Is Static Electricity? A stationary electrical charge that is built up on the surface of a material Slide 4 Two kinds of charges…

Slide 1Electric Charge & Electric Field Chapter 16 Slide 2 According to atomic theory, electric forces between atoms and molecules hold them together to form the liquids…

1.Restless Electrons Mechanisms for Transfer of Charge2. How do objects gain “static” charge? Friction Rubbing two electrically neutral objects together can charge both…

1.Electrostatics Teacher : Piyanuch Plaon Subject : Physics 4 2. Discovery of charge Benjamin Franklin arbitrarily called the two kinds of charge positive and negative. In…

1.Electric charges and fields2. Charge model Frictional forces add or remove charge from an object. This is called charging. Two kinds of charges exist – positive and negative.…