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7J Current Elect

Key words

Current Flow of electricity (I)
Amp Unit for measuring current (A)
Ammeter Instrument for measuring current
Cell Source of electricity from a battery
Component A part of a circuit with a special function
Filament Thin wire that glows when a bulb is on
Power pack Source of electricity from the mains
Charges Tiny particles that flow around a circuit
Parallel circuit Circuit in which electrons have more than one path to take
Series circuit Circuit in which there is only one path for electrons to take
Across Connecting a circuit in parallel
Resistance How difficult it is for electricity to flow
Resistor A component that creates resistance
Variable resistor A resistor whose resistance can be changed
Voltage How much energy is transferred by electricity (V)
Volt Unit of voltage (V)
Voltmeter Instrument that measures voltage
Cable Wire that runs off the mains and contains three separate wires
Cable grip Plug that holds the wires in the pins
Circuit breaker Devices that switches off electricity if current is too large
Earth wire Green and yellow wire for safety
Live wire Brown wire
Neutral wire Blue wire
Fuse Thin wire that protects a circuit from too much electricity
Fuse rating Largest current a fuse can take before melting
Ring main Type of parallel circuit used in house wiring
Created by: andrewweng0406