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How energy and power related?

Updated: 8/10/2023
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8y ago

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Power(watt) is the rate of change of energy. Take energy(joules) divide by time(seconds). u'll get power

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Energy is the capacity to produce power

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12y ago
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15y ago

Electrical energy is a form of energy, and can be measured in the same units, Joules in the SI system. Note that 1 watt = 1 Joule/sec. Electrical energy is often expressed in Kilowatthours or Megawatthours, which are the normal ways an electric company measures your usage. 1 Kilowatthour just means a steady power of 1 kilowatt maintained for 1 hour. Since there are 3600 seconds in an hour, 1 kilowatthour = 3600 kilowattseconds.

Now 1 watt = 1 Joule/sec, so 1 Joule = 1 wattsec, 1000 joules = 1 kilowattsec, so 3600 kilowattsecs = 1000 x 3600 Joules = 3.6 x 106 Joules = 1 kilowatthour.

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13y ago

They're the same thing!!!!

not really, they don't even have the same units.

Voltage is the potential energy per unit charge.

ANSWER BY KAKOOLI

The more voltage ( potential difference), the more energy

ohm's law: Voltage=Current x Resistance

power is measured in Watts/W

Voltage is measured in Volts/V

Current is measured in Amps/I/A

Electrical energy/energy is measured in kilowatt per hour (Formula): Energy=Power x Time

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12y ago

Power in watt = Energy in Joule/Time in second

P=E/t , i.e., Watt=J/s

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8y ago

Energy and Power two are most all equal but a small difference between those two. that is Energy doesn't change. But power Power is a rate. describe how something changes with time.

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12y ago

Power is energy expended in a given time.

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