Energy Basics

Energy Basics

What we call electricity is a catch-all for many ideas and phenomena. These range from the static cling on clothes fresh from the dryer to the current that powers our homes.

Put simply, electric current is the flow of charge, and voltage is the push to make it move. Resistance is what must be overcome by the voltage for the current to happen. Electric power is the rate at which electrical energy gets converted into another form of energy, like light or heat.

Electrical energy is useful because it is easily converted to and from other forms of energy. For example, when water tumbles down a waterfall, it converts potential energy to kinetic energy. Some of that kinetic, or “moving”, energy can be used to turn a turbine, so the kinetic energy of the water is converted to electrical energy. The electrical energy is turned into light energy when it powers a light bulb.

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