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physics
current
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Cards (6)
current is the
flow
of
electric
charge through a
conductor
, measured in
amps
(A)
current can only flow if there is a
potential difference
and a
path
for the
electrons
to flow through
potential difference
pushes the charge round, measured in
volts
resistance
opposes
the flow of
current
, measured in
ohms
the
greater
the resistence, the
less
flow of charge
charge=
current x time
(Q=IT)