Question

Define alternating current and direct current. Explain why alternating current is preferred over direct current for transmission over long distances. ​

Answer 1

Answer:

As seen in the first equation, the power lost through transmission is proportional to the square of the current through the wire. ... This is why alternating current is preferred over direct current for transmitting electricity, as it is much cheaper to change the voltage of an alternating current

Answer 2

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