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electricalandmechanicalenergy - Electrical and Mechanical...

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Electrical and Mechanical Energy Performed by: Adam Edison With: Nicholas, Will, and Asma Abstract The goal of the lab was to see how energy efficient a capacitor is. The technique we used for this lab was to charge the capacitor using a battery and then hooking the capacitor up to a motor and having the motor pull a wood block down a track. Our results were that the capacitor was very energy inefficient with a lower amount of voltage applied, and still reasonably inefficient with a higher voltage. This disagreed with our prediction. Prediction To formulate our predictions we first needed to know the equation for the charge in a capacitor, charge is equal to capacitance multiplied by voltage, where Q is charge, C is capacitance, and V is voltage. Q=CV (1) With equation (1) we found the equation for the potential energy of the system, potential energy equals capacitance multiplied by voltage squared divided by two, with U being the potential energy.
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