Physics plugs, energy Flashcards
Name renewable energy sources
Wind, Solar, Geothermal, Hydroelectric
Name non renewable energy sources
Coal, Oil, Gas, Nuclear power
Why are renewable energy sources different to non renewable?
They can be made again in a lifetime
National Grid
System of pylons and transformers to take energy to the consumer
Generator?
generates electricity
Pylons
Supports cables
Cables
Distributes electricity
Transformers
Increases or decreases electricity
Transformer made of?
Iron core
_volts _hz
230 volts 50 hz
National grid prevents energy from being wasted how?
Carries high voltage
2 types of energy
A/C, D/C, alternating and direct
How to measure reaction time?
Ruler drop test, drop a ruler 2cm above hand, get someone to catch it, lower the number faster the reaction time
Fuse protect appliance?
By melting it’s thin wire to prevent current from getting to the wiring
Earth wire protect?
Current will go through the earth wire to the ground instead of causing an electric shock