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Power & Energy

Power & Energy. Who is the most powerful?. Which device uses the most power?. To calculate the power. Power =. Voltage x. Current. P = V x I. Who uses the most energy?. To calculate the energy transferred. Energy transferred =. Power x Time. What is the cost of this energy?.

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Power & Energy

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  1. Power & Energy

  2. Who is the most powerful?

  3. Which device uses the most power?

  4. To calculate the power Power = Voltage x Current P = V x I

  5. Who uses the most energy?

  6. To calculate the energy transferred. Energy transferred = Power x Time

  7. What is the cost of this energy? Units used = Power x time Total cost = Number of units x Cost of per unit

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