# Definition Symbo l Voltage Push on the electrons

Definition Symbo l Voltage Push on the electrons V Current Rate of flow of electrons Charge Total number of charged particles Energy Amount of energy given to a component Resistance How hard it is for electrons to flow Power How fast energy is transferred Unit Volts Unit Symbol V Safety Features: Double Insulation: Outer case is _____ so it will always be safe to touch. Insulation: _____ outside cable safe to touch Earthing: outside casing connected to _____ Circuit Breaker: Trips if too big a ____ flows Fuse: _____ if too big a ____ flows Wiring a Plug: Fuse on the live Wire Green/Yellow: Earth Brown: ______ Blue: _______ Definitions Mains Equations Electricity Mnemonic Equation Units Exercise Is Very tiring E=IVt J=AVs Series and Parallel Circuits Peter is a Veggie QuIt Very Important Rabbits Bulb I Current Circuits Diode I V Series Circuit Voltage IV Graphs Resistor Hazards: Frayed Cables Damaged Plugs Water Dont play with sockets I V V Component Function Diode Only lets the current through one way Thermistor Senses _____ (low ______ high _____) LDR Senses _____ (low ______ high _____) Symbol Parallel Circuit Definition Symbo l Unit Unit Symbol Voltage Push on the electrons V Volts V Current Rate of flow of electrons I ampere A Charge

Total number of charged particles Q coulom b C Energy Amount of energy given to a component E joule J Resistance How hard it is for electrons to flow R ohm Power How fast energy is transferred P watt W Safety Features: Double Insulation: Outer case is plastic so it will always be safe to touch. Insulation: plastic outside cable safe to touch Earthing: outside casing connected to earth Circuit Breaker: Trips if too big a current flows Fuse: melts if too big a current flows Wiring a Plug: Fuse on the live Wire Green/Yellow: Earth Brown: live Blue: neutral Definitions Mains Equations Electricity Mnemonic Equation Units Exercise Is Very tiring E=IVt J=AVs Peter is a Veggie P=IV W=AV QuIt Q=It C=As Very Important Rabbits V=IR V=A Series and Parallel Circuits Circuits IV Graphs Resistor Bulb I V I V Series Circuit Parallel Circuit Current same split Voltage split same Less Cabling If one breaks rest still work and/or same voltage Diode I Hazards: Frayed Cables Damaged Plugs Water Dont play with sockets V Component Function Diode Only lets the current through one way Thermistor Senses Temp (low resistance high temp) LDR Senses Light (low resistance high Symbol

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