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Electricity

Science

WordsDefinitions
Electricity The flow of electrons through a conductor.
Law of Electric Charges Charges repel and opposite charges attract.
Static Electricity An electrical charge that is built up in one place and it is static ( not moving).
Electric Discharge The loss of static electricity as charges move off an object.
Conduction Can transfer the electrons from one object to another by direct contact.
Electroscope This is used to detect charge.
Cell Divice that produces an electric current
Photocell Converts Solar Energy to electrical energy
Current Measure of the rate at which an electron passes a point each second
Voltage electromotive force or potential difference expressed in volts.
Resistance Opposition to the flow of electrons
AC Altering Current
DC Direct current
Circuit A path that the charges follow
Series Circuit Conected in a single loop.
Electric Power the product of voltage and current
Magnetic Field the lines of force surrounding a permanent magnet
Magnetic Force The force exerted between magnetic poles
Electromagnetism Magnetism produced by electric charge in motion
Generator machine that converts one form of energy into another
Transformer A device used to transfer electric energy from one circuit to another
Induction The charging of an isolated conducting object by momentarily grounding it while a charged body is nearby.
Parallel Crcuit a closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit
Load a device that receives power.
Created by: nlewis
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