Ohm's Law

# Ohm's Law - Lab 1 Ohm's Law Kevin Lam Alexander Galloway...

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Lab 1 – Ohm’s Law Kevin Lam Alexander Galloway J.D White Due Date: January 29, 2008 Abstract We started by measuring the voltage and current in a series circuit to determine the relationship between the electrical current flowing through a circuit element and the voltage applied. Using our results, it supports Ohm’s Law, which is I = V/R for the voltages applied to both resistors. The law shows a linear relationship between current and voltage, our data for the light bulb shows that the voltage for our light bulb increases exponentially, as the current increases. This is due to the dramatic warmth of the light bulb, and the temperature change as more voltage increases in the light bulb.

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Introduction Ohm’s law is the relationship between currents and voltages in a conductor. It shows that the potential difference of voltage, across an ideal conductor is proportional to the current through it. The formula of Ohm’s Law is V = I R, in which R is resistance. V is the potential difference between two points and I is the current flowing through the resistance.
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