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Energy Stores
Internal
GPE
Kinetic
Electrostatic
Nuclear
Elastic
Chemical
Principle of Conservation of Energy
Energy is neither created or destroyed only stored and transferred
Mechanical Work done and Electric Work done
Mechanical Work Done - When energy is transferred by a force
Electrical Work done - When energy is transferred by electrical current
Efficiency of Energy Transfer
How much of energy input is transferred into useful energy input
Main Source of Energy for energy resources
Sun Provides energy by nuclear fission and researchers are researching how to produce this energy on a large scale. Except for geothermal, nuclear tidal
Power
Work done per unit time