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Physics
Electricity and circuits
Power and Energy Equations
Electrical Power Equations
Electrical Power Equations
What You Need to Know
Recall and use the equation relating electrical power, current and potential difference:
P
=
I
×
V
P = I \times V
P
=
I
×
V
Recall and use the equation relating electrical power, current and resistance:
P
=
I
2
×
R
P = I^2 \times R
P
=
I
2
×
R
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