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The two most important equations in electricity are given below.
P = V x I Power = Voltage x Current.
V = I x R Voltage = Current x Resistance.
Other equations which
you should know
include
Q = I x t charge = current x time.
E = V x I x t energy = voltage x
current x time.
The
equations work whether the
electricity is
direct current
or alternating
current.
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