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20 Cards in this Set
- Front
- Back
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the law that states that like charges repel and opposite charges attract
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law of electric charges
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the force between charged objects
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electric force
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the region around a charged object in which an electric force is exerted on another charged object
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electric field
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a material in which charges can move easily
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conductor
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a material in which charges cannot easily move
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insulator
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the build up of electric charges on an object
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static electricity
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the lost of static electricity as charges move off an object
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electric discharge
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a device that produces an electric current by converting chemical energy into electrical energy
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cell
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a device that is made of one or more cells and converts chemical energy into electrical energy
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battery
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the energy per unit charge; specifically, the difference in energy per unit charge as charge moves between two points in the path of a current (same as voltage); expressed in volts
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potentical difference
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the part of a solar panel that converts light energy into electrical energy
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photocell
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a device that converts thermal energy into electrical energy
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thermocouple
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a continuous flow of charge caused by passes a given point; expressed in amperes
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current
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the difference in energy per unit charge as a charge moves between two points in the path of a current (same as potentical difference); expressed in volt
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voltage
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the opposition to the flow of electric charge; expressed in ohms
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resistance
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the rate at which electrical energy is used to do work
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electric power
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a complete, closed path through which electric charges flow
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circuit
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a device that used electrical energy to do work
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load
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a circuit in which all parts are connected in a single loop
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series circuit
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a circuit in which each load is placed on a separate branch
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parallel circuit
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