Changes

===Permanent and induced magnetismCurrent, magnetic forces potential difference and fieldsresistance=======[[MagnetismElectrical Current]]====*[[Magnet]]s**[[Poles]]*[[Permanent Magnet]]*[[Induced Magnet]]*[[Magnetic FieldElectrical Charge|Charge]]**[[Magnetic Flux DensityCoulomb]]**[[TeslaAmmeter]]*[[Compass]]*[[Earth#Earth's Magnetic Field|Earth's Magnetic FieldAmp]]

===Magnetic effects of currents and the motor effect=[[Potential Difference]]====*[[WireVoltmeter]]*[[Volt]]s====[[Electrical Resistance|Resistance]]====*[[SolenoidElectrical Conductor|Conductor]]**[[ElectromagnetOhmic Conductor]]**[[Ohm'sLaw]]''Higher''*[[Electrical Insulator|Insulator]]*[[Ohm]]*[[Motor EffectResistor]]**[[Fleming's Left Hand RuleResistor#Resistors in Series|Resistors in Series]]**[[Resistor#Resistors in Parallel|Resistors in Parallel]][[D.C. MotorGCSE Physics Required Practical: Investigating Resistance]]

===Induced potential, transformers and the national grid=[[Electrical Components]]====*[[Electrical Cell|Cell]]**[[Generator EffectBattery]]*[[Lenz'Variable Power Supply]]*[[Alternating Current Supply]]*[[Wire]]s Law*[[Electrical Bulb]]*[[AlternatorSwitch]]*[[DynamoBuzzer]]*[[Motor]]*[[Voltmeter]]*[[Ammeter]]*[[Resistor]]s**[[Variable Resistor]]**[[Light Dependent Resistor]]**[[Thermistor]]*[[Diode]]*[[Light Emitting Diode]]*[[Electrical Fuse]]*[[Electrical Transformer|TransformersHeater]]

===Microphones =[[IV Graph]]====*[[Resistor#IV Graph|Resistor IV Graph]]*[[Electrical Bulb#IV Graph|Bulb IV Graph]]*[[Diode#IV Graph|Diode IV Graph]]*[[Thermistor#IV Graph|Thermistor IV Graph]]*[[Light Dependent Resistor#IV Graph|Light Dependent Resistor IV Graph]][[GCSE Physics Required Practical: Investigating Electrical Components]] ===Series and speakers; oscillating currents Parallel Circuits===*[[Electrical Component|Circuit Component]]s*[[Circuit Diagram]]*[[Circuit]]*[[Series Circuit]]**[[Series Circuit|Resistors in detection Series]]*[[Parallel Circuit]]**[[Parallel Circuit|Resistors in Parallel]] ===Domestic uses and generation of radiationsafety===*[[Mains Electricity]]*[[Direct Current]]*[[Alternating Current]]*[[3-Core]]*[[Electrical Plug]]**[[Earth Wire]]**[[Live Wire]]**[[Electrical Fuse|Fuse]]**[[Neutral Wire]] ===Energy transfers===*[[Electrical Power]]**[[MicrophoneWatt]]s*[[Motor#Energy Transfers|Energy Transfers in a Motor]]*[[Electrical Heater#Energy Transfers|Energy Transfers in an Electrical Heater]]*[[SpeakerNational Grid]]