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Why is alternating current used in homes?
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Because it is easier to distribute over large distances with relatively low losses, and it is a bit safer for the same voltage if touched.
Alternating current is used in most electricity distribution systems for several reasons, but the most important one is the ease with which it can be transformed from one voltage to another
DC is very much more difficult (and expensive) to do this with.
Huge amounts of AC power can be transformed to almost any desired voltage, with very low energy loss, using an electric transformer (coils with their magnetic fields closely linked).
Because it is easier to distribute over large distances with relatively low losses, and it is a bit safer for the same voltage if touched.
Alternating current is used in most electricity distribution systems for several reasons, but the most important one is the ease with which it can be transformed from one voltage to another
DC is very much more difficult (and expensive) to do this with.
Huge amounts of AC power can be transformed to almost any desired voltage, with very low energy loss, using an electric transformer (coils with their magnetic fields closely linked).
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