Energy Resources and Circuits

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Energy

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The ability to do work or cause change.

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Renewable Energy

Back

Energy from sources that are naturally replenished, like solar or wind.

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Non-renewable Energy

Back

Energy from sources that cannot be replenished, like coal or oil.

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Solar Energy

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Energy harnessed from the sun's rays.

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Wind Energy

Back

Energy generated by wind turbines.

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Efficiency

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The ratio of useful energy output to total energy input.

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Circuit

Back

A closed loop through which electric current flows.

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Current (I)

Back

The flow of electric charge, measured in amperes (A).

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Voltage (V)

Back

The potential difference between two points, measured in volts (V).

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Ohm's Law

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V = IR, where V is voltage, I is current, and R is resistance.