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AQA GCSE Combined Science: Physics
Electricity
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Created by
Michelle Egbe
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Cards (10)
Diode
Only allows current to flow through it in
one
direction
Rectifier
A component that turns an
alternating
current (repeatedly changes direction) into a
direct
current (one direction)
Diodes act as rectifiers
They block the
alternating
current when it changes
direction
Thermistor
A component that resistance changes with its
temperature
Thermistor
Increasing temperature usually
decreases
the resistance
LDR (Light Dependent Resistor)
A component whose resistance changes with
light
intensity
LDR
Increasing light intensity usually
decreases
the resistance
Circuit Diagram (Symbols)
Filament
Lamp
Circuit Diagram (Symbols)
Resisitor
Circuit Diagrams (Symbols)
Thermistor