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Yr 9 Physics

static electricity A buildup of charges on an object.
electric current The continuous flow of electric charges through a material.
battery A combination of two or more electrochemical cells in series.
circuit Includes a power source
electrical cell A single electro-chemical energy source.
ammeter measures the current flow (of electrons)
voltmeter device used to measure voltage
resistor An electrical device that resists the flow of electrical current (eg light bulb)
switch A device to open or close a circuit - controls the flow of electrons
electrical charge a fundamental property of matter that can be either positive or negative.
electrode A metal strip that conducts electricity
cathode Negative electrode
anode Positive electrode
Created by: camwust