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unit 3 sect. 1-4

TermDefinition
electric charge a property that leads to electromagnetic interactions between particles that make up matter
static electricity the buildup of electric charge on an object
electrical conductor a material through which charges can move freely
electrical insulator a material through which charges cannot move easily
semiconductor a special class of materials that conduct electric charge better than electrical insulators but not as well as electrical conductors
electric current the rate of flow of electric charges
voltage the amount of work required to move each unit of charge between two pionts
resistance the opposition to flow of electric charge
electric circuit a complete closed path through which electric charges can flow
series circuit circuit in which all parts are connected in a row that forms one path for electric charges to follow
parallel circuit circuit in which electric charges have more than one path that they can follow
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 two points, such as the ends of the magnet
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
Created by: 18richterj0615