generating electricity 0.0 / 5 ? Physicsgenerating electricityElectricityEnergyWavesefficiencyGCSEAQA Created by: ellamcgCreated on: 12-05-16 17:53 wave power is... kinetic energy of the water- electrical energy 1 of 17 solar power is... light/thermal energy from the sun- thermal energy of the water/ electrical energy for electricity 2 of 17 tidal power is... kinetic energy of the water- electrical energy 3 of 17 biomass/bio fuels are... chemical energy- thermal energy in burning 4 of 17 nuclear energy is... thermal energy of the fast moving particles- electrical energy 5 of 17 geothermal energy is... thermal energy from underground- thermal energy of the water 6 of 17 wind energy is... kinetic energy of the wind- electrical energy 7 of 17 hydroelectric power is... gravitational energy of the raised water- electrical energy 8 of 17 payback time= cost / savings per year 9 of 17 energy transferred= power x time 10 of 17 cost= number of units x cost per unit 11 of 17 power= energy transferred/ time taken 12 of 17 energy efficiency= useful output energy/ total input energy 13 of 17 useful and total energy is measured in... joules 14 of 17 what reduces the efficiency of a machine? energy losses 15 of 17 what causes energy losses air resistance, friction, sound, current 16 of 17 what is the wasted form of energy when a TV is turned on? heat 17 of 17
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