0419_batteries

 

Batterries
Equation: P-vi, P=power in volts, V=voltage in volts 1w-1j/s, 1= current ampers 1 watt is equaled to 1 joule per secound

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Batteries are energy storage devices.  ======

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Batteries are the most important because they help many things in this world work! They are power sources for laptops, cell phones, flashlights, ipods,watches,your lights in your house, and alarm clocks. If we did not have batteries we would not have vehicals because our vehicals run on a battery. Batteries are a portable source of electric energy.======