eletrical circuits
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14 Terms
Ameter - used to measure electric current in a circuit
Cell- source of chemical energy that is transferred into eletric current
Battery -Two or more cells connected together
Diode- a non ohmic conductor allows current to flow in one direction
Fuse-saftey device that has thin wire which melts if too much current passes through
Filament lamp- emits light
Light dependant resistor-light intensity increases so resistance decreases
Light emitting diode- emits light when current flows in one direction
Resistor-limits the flow of eletrical charge
Switch closed- provides a path for current to flow around
Switch opened- prevents current from flowing
Thermistor- temp increases so resistance decreases
Variable resistor-used to control current by changing resistance
Voltmetre- useds to measure potential difference in a component
Note 
Flashcards (58)