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Atoms that are not charged Neutrons
Like charges repel and opposite charges attract Law of Electric Charges
The force between charged objects Electric Force
Movement of electrons through direct contact Conduction
Movement of electrons without direct contact Induction
Charges are never lost just transferred Conservation of Charge
A device to detect a charge Electroscope
Material in which charges move easily Conductors
Material in which charges cannot move easily Insulator
Build up of charges on an object Static Electricity
Electrons leave the object Electric Discharge
Large electrical discharge Lightning
A device that produces an electric current by converting chemical energy into electrical energy Cell
Site where charge enters and exits the cell Electrode
The rate at which a charghe passes a given point Electric Current
Unit for current Ampheres
Electrons move in both directions Alternating current
Electrons move in one direction Direct Current
The potential difference between two points Voltage
Units for voltage Volts
Opposition in flow of electrons Resistance
Units for resistance Ohms
The rate at which electrical energy is used to do work Power
Units for power Watts
Circuit in which all parts are connected in a loop Series
Circuit in which different loads are located on separate branches Parallel
Thin strip of metal that breaks if current to high, must be replaced Fuse
Thin strip of metal that bends if current is to high Circuit Breaker
Created by: mmccoy