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Science (Nicholas)

Chapter 9, Lesson 1-4

QuestionAnswer
Electric Force The attraction or repulsion between charged objects
Electric Field A region around a charged object where the object's electric force is exerted on other charged objects
Static electricity The build up of charges on an objects
Conservation of Charge Charges are neither created nor destroyed
Friction The transformation of electrons from one uncharged object to another by rubbing the objects together
Conduction The transfer of electrons from one object to another by direct contact
Induction The opposite happens if other objects is positively charged
Polarazation Charges don't transfer between objections
Static Discharge Loss of static electricity as electric charges transfer from one object to another
Electric Current The continuous flow of elective charges through a material
electric Circuit Completes unbroken path that charges can flow through
conduction A material through which charges can flow easily
insulator materials such as rubber that do not allow charges to flow
voltage the difference in electric potential energy per charge between two points in a current
Resistance measure of how difficult it is for charges to flow through an object
Magnetic Field are of magnetic force around a magnet
Electromagnetism relationship between electricity and magnetism
Solenoid A coil of wire with a current
electromagnet A solenoid with a ferromagnetor core
Electromagnetic Induction Generating electric current from the motion of a conductor through a magnetic field
Galvanometer device that measures small currents
direct current A current with charges that flow in one direction
Alternating current A constantly reversing current
Generator Transform mechanical energy into electrical energy
Transformer Two separate coils of insulated wire wrapped around an iron core
Created by: tmgriffith
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