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12 cards from this deck
Rate at which electrical energy transfers to other energy types
Watts (W)
1 joule of energy transferred per second
P=I×VP = I \times VP=I×V
When you know current and voltage
P=I2×RP = I^2 \times RP=I2×R
When you know current and resistance
P=EtP = \frac{E}{t}P=tE
When you know energy transferred and time period
Amperes (A)
Volts (V)
More energy is transferred each second
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