Electrical Power 0.0 / 5 ? PhysicsElectricityGCSEOCR Created by: emilysworldCreated on: 27-04-19 11:29 What is power? The amount of energy transferred per second 1 of 9 What is the unit for power? Watts (W) 2 of 9 What is the equation for power (linking potential difference and current)? power = potential difference x current 3 of 9 What is the unit for potential difference? Volts (V) 4 of 9 What is the unit for current? Amps (A) 5 of 9 What is the equation for energy transferred (linking power and time)? energy transferred = power x time 6 of 9 What is the unit for energy transferred? Joules (J)/kiloWatts (kW) 7 of 9 What is the equation for potential difference (linking currrent and resistance)? potential difference = current x resistance 8 of 9 What is the equation for power (linking current and resistance)? power = (current + resistance) x current 9 of 9
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