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16 Cards in this Set
- Front
- Back
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Atom
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smallest particle of an element that still retains the properties of the element
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Static electricity
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accumulation of excess electricity charge on an object
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Law of Conservation of Charge
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states that charge can be transferred from one object to another but not created or destroyed
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Conductor
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material in which electrons can move easily
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insulator
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material in which heat flows slowly
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charging by contact
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processing of transfer charge between objects by touching or rubbing
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charging by induction
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process of rearranging electrons on a neutral object by bringing a charged object close to it
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pressure
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amount of force excreted per unit area; SI unit is the Pascal
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electric current
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the net movement of electric charges in a single direction; measured in amperes
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Voltage diffrence
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related to the force that causes electric charges to flow
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circuit
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closed conduction loop through which electric current can flow
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resistance
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tendency for a material to oppose electron flow and change electrical energy into thermal energy and light; measures in ohms
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Ohms law
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states that the current in a circuit equals the voltage difference divided by the resistance
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series circuit
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circuit in which electrical current has only has one path to follow
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parallel circuit
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circuit in which electrical currents have more than one path to follow
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electrical power
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rate at which electrical energy in converted to another form of energy; expressed in watts
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