Electrical Energy

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Energy is transferred from a power supply

  • Anything that supplies electricity is also supplying energy
  • Powers supplies like batteries transfer electrical energy to a component or device
  • The component transfers the energy to the environment as a different type of energy, like light or sound

Power is how fast the energy is transferred

  • The power of an appliance tells you how much energy it transfers each second
  • Power is usually measured in watts, W,


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