Transcript Electric Current

Electric Current
Current- flow of electrons through
a wire or any conductor.
Potential difference (voltage)the difference in potential
between two different places.
Resistance- the tendency for a
material to oppose the flow of
electrons, changing electrical
energy into thermal energy &
light.
Ohm’s Law- states that potential
difference equals current times
the resistance.
-All conductors have some
resistance.
Ohm’s Law equation
Variable
Voltage (V)
Current (I)
Resistance (R)
Ending Units
volts
amps
ohms or Ω
V=IxR
I=V/R
R=V/I
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V
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I x R