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- To calculate power, you need to12345:
- Determine the work that is performed by a force, measured in joules (J)1234. Work can be calculated as force times distance, or as change in energy4.
- Determine how long the work was performed for, measured in seconds (s)1234.
- Divide the work by the time to get the power, measured in watts (W)1234. One watt is equal to one joule per second34.
- Alternatively, if you are calculating electrical power, you can use the formula Power = Current × Voltage5. Current is measured in amperes (A) and voltage is measured in volts (V).
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.How to calculate power. To calculate power first determine the work that is performed by a force. Then determine how long the work was performed for. Finally, divide the work in joules by the time in seconds to calculate the total power in watts.
easytocalculate.com/how-to-calculate-power/The formula for power is mentioned below. Power = Work / time P = W / t Unit of Power The unit for standard metric work is the Joule and the standard metric unit for time is the second, so the standard metric unit for power is a Joule / second, defined as a Watt and abbreviated W.byjus.com/physics/power/[& [power = frac {work \ done} {time \ taken}] [P = frac {E} {t}]&] This is when: power (P) is measured in watts (W) work done (E) is measured in joules (J) time (t) is measured in seconds (s) One watt is equal to one joule per second (J/s). This means that for every extra joule that is transferred per second, the power increases by one watt.www.bbc.co.uk/bitesize/guides/z86k3k7/revision/1By definition, one watt is equal to one joule of work done per second. So if P P represents power in watts, Delta E ΔE is the change in energy (number of joules) and Delta t Δt is the time taken in seconds then: P = frac {Delta E} {Delta t} P = ΔtΔEwww.khanacademy.org/science/physics/work-and-…To calculate electrical power, use the formula Power = Current × Voltage. Voltage tells you how much electrical charge is passing through the circuit. The circuit's current tells you how fast the charge is being passed through the circuit.
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WEBPower is calculated by dividing the work done by the time it took to do the work. P = W t P = W t Let’s consider an example that can help illustrate the differences among work, force, and power.
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