Alternate & Direct Current Help!?

What is the meaning and the difference between AC / DC?

Plus-name some appliances that deals with AC or DC.

Thanks.

Answer:
a.c. alternating current fluctuates between the hot and nutral side of the circuit. this flucation, is known as frequency. standard U.S
current is 60 cycles per second.
d.c. current flows in one study direction from - to +
some applications are most home appliances run o a.c. there are both a.c and d.c. motors. remember, if it's a generator it's d.c.
if it's an altenator it's a.c.

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