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Electrical Energy - Example Papers

Electrical Energy

A capacitor can store . Connecting it across a resistor or other device discharges it. Across the resistor there is a potential difference that creates the electric current. When the charge in the capacitor decreases, at the same time the voltage decreases. As a result the rate at which the capacitor is discharged, which is the current, is decreased. The outcome of this is that the capacitor will be completely discharged meaning that both the current and voltage will equal zero. At this time all the energy stored in the circuit will have been transferred to thermal energy at the resistor.
A heater uses electrical power. The power dissipated in a resistor is in return proportional to the ...

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measured in large numbers of joules called a kilowatt-hour. A kilowatt-hour is the amount of energy equal to 3.6*10^6 J. It is a unit of energy that is the product of power and ...

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Electrical Energy. (2007, December 10). Retrieved November 17, 2024, from http://www.essayworld.com/essays/Electrical-Energy/75621

"Electrical Energy." Essayworld.com. Essayworld.com, 10 Dec. 2007. Web. 17 Nov. 2024. <http://www.essayworld.com/essays/Electrical-Energy/75621>

"Electrical Energy." Essayworld.com. December 10, 2007. Accessed November 17, 2024. http://www.essayworld.com/essays/Electrical-Energy/75621.

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PAPER DETAILS

Added: 12/10/2007 06:31:30 PM
Category: Science & Nature
Type: Premium Paper
Words: 231
Pages: 1

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