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physics lab9

# physics lab9 - Lab 9 RC Circuits 1 Staci Williams Nicole...

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Lab 9: RC Circuits 1 Staci Williams Nicole Harty, Kevin Schesing, Caitlin Kubota Section 015

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Theory: The voltage across a resistor is proportional to the current through the resistor and the voltage across a capacitor is proportional to the time integral of the current into the capacitor. The voltage across an inductor is proportional to the time derivative of the current through the inductor Capacitors A capacitor is a 2 terminal circuit element that stores energy in its electric field, consisting of two parallel plates separated by a small gap, which is usually filled with a non-conducting dielectric material. If a positive current I enters one plate of a capacitor ad exits the other plate a positive charge Q builds up on the first plate and a negative charge –Q builds up on the second plate. A voltage Vc develops across the capacitor and the charge Q and voltage Vc are linearly related by the equation Q=CVc where C is a constant called the capacitance. The units of capacitance if the farad (F), and the
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physics lab9 - Lab 9 RC Circuits 1 Staci Williams Nicole...

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