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# Unit 3 Lesson 1-3

### Electricity and Magnetism

TermDefinition
electric charge a fundamental property that leads to the electromagnetic interactions among particles that make up matter
static electricity electric charge at rest; generally produced by friction or induction
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 has
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 points
resistance in physical science, the opposition presented to the current by a 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 are joined in branches such that the voltage across each part is the same

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