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Physics Key Stage 4

820 bytes added, 20:47, 3 March 2019

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**[[Electrostatic Potential]]

**[[Electrostatic Induction]]

==Magnetism and Electromagnetism==

===Permanent and induced magnetism, magnetic forces and fields===

*[[Magnetism]]

*[[Magnet]]

**[[Pole]]s

*[[Permanent Magnet]]

*[[Induced Magnet]]

*[[Magnetic Field]] strength and direction

*[[Compass]]

*[[Earth's Magnetic Field]]

===Magnetic effects of currents and the motor effect===

*[[Wire]] or [[Current]] - magnetic field; strength with distance and current

*[[Solenoid]]

''Higher''

*[[Motor Effect]]

*[[Flemming's Left Hand Rule]]

*[[F=BIl]]

*[[Motor]] - the motor effect in a motor

===Induced potential, transformers and the national grid===

*[[Generator Effect]]

*[[Lenz's Law]]

*[[Alternator]]

*[[Dynamo]]

*[[Electrical Transformer|Transformers]]

===Microphones and speakers; oscillating currents in detection and generation of radiation===

*[[Microphone]]

*[[Speaker]]

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