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Unit 3

TermDefinition
electric charge a fundamental property that leads to the electromagnetic interactions among particles that make up matter
electrical conductor a material in which charges can move freely
electrical insulator a material in which charges cannot move freely
semiconductor an element or compound that conducts electric current better than an insulator does but not as well as a conductor does
electric current the rate at which electric charges pass a given point
voltage the amount of work to move a unit electric charge between two points; expressed in volts
resistance in physical science, the opposition presented to the current by material or device
electric circuit a set of electrical components connected such that they provide one or more complete paths for the movement of charges
series circuit a circuit in which the parts are joined one after another such that the current in each part is the same
parallel circuit a circuit in which the parts are joined in branches such that the voltage across each part is the same
magnet any material that attracts iron or materials containing iron
magnetic force the force of attraction or repulsion generated by moving or spinning electric charges
magnetic pole one of the two points, such as the ends of a magnet, that have opposing magnetic qualities
magnetic field a region where a magnetic force can be detected
electromagnetism the interaction between electricity and magnetism
electromagnet a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
static electricity electric charge at rest; generally produced by friction or induction
Created by: 18cooket1220
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