# Lab 4 - Matt Karam PHYS 214 10 Light `em up 1 Goals To...

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Matt Karam PHYS 214- 10 February 20, 2008 Light ‘em up! 1. Goals: To explore the concepts behind basic electrical circuits and the concepts behind series and parallel wiring of circuits. This will be done by wiring up different sets of circuits and testing the electrical readings at different areas of the circuits. Through qualitative and quantitative analysis a firm grasp on the concepts behind circuits and wiring will be achieved. 2. Theory: a. Battery Voltage: aka Electromotive force, can be describe as the difference in potential between the two terminals of a battery that causes and electrical force when connect together by conductors. The greater the voltage of a battery the stronger the force behind the electricity is. Voltage can be thought of as the potential energy of an electrical circuits such as if an object were dropped from a greater height it would have more force, as higher voltage is greater electrical force. b. When multiple batteries are linked together they react differently depending on the connection. When two batteries are hooked up in the same direction and wired in series they produce the sum of the voltages. When two batteries are hooked up in parallel facing the same

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