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Elec. & Mag. Vocab

Electricity and Magnetism

TermDefinition
magnetic force a push or pull exerted by the pole of a magnet
magnetic field area surrounding a magnet in which the magnetic force exists
electromagnetism production of a magnetic field by electric current
electromagnet a magnet that is made by passing an electric current through a coil of wire wrapped around an iron core
electric motor a device that transforms electrical energy into mechanical energy
generator a device that transforms mechanical energy into electrical energy
electric current the continuous flow of electric charges
potential difference the difference in potential energy between two locations
voltage a measure of potential difference
insulator a material that does not conduct heat or electrical energy well; often used to prevent energy from leaving a particular area
circuit a closed path through which electricity can flow
load a device in a circuit that does work using electricity
conductor a material that allows heat or electrical energy to flow through it easily
resistor an object added to a circuit that restricts the flow of electrical energy; inhibits the flow of electric current by producing a voltage drop when current passes through it
switch a device used to control the flow of current through a circuit
series circuit a circuit that provides only one possible path for the flow of electric current
parallel circuit a circuit that offers more than one path for the flow of electric current
Created by: mdsmith-mincey