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Fundamentals

The flow of current that you get from a battery is known as direct current, or DC. Like the flow of water from a faucet, it is a steady stream, in one direction.

The flow of current that you get from the “hot” wire in a power outlet in your home is very different. It changes from positive to negative 60 times each second (in Great Britain and some oth...

From

Cover of Make: Electronics

Note

AC vs DC #electricity