Allowing the change to be monitored I suppose companies could use the Resistance to ensure the Cross Sectional Area (The thickness of the wire) was the correct amount - A thinner wire means more resistance.
Physics coursework theory - resistance of a wire this essay physics coursework theory - resistance of a wire and other 64,000 term papers, college essay examples and free essays are available now on reviewessayscom autor: review • december 6, 2010 • essay • 261 words (2 pages) • 773 views.
The resistance is greatest in the circuit with the least current - diagram a the ohm's law equation is often explored in physics labs using a resistor, a battery pack, an ammeter, and a voltmeter an ammeter is a device used to measure the current at a given location.
Also there was a strain gauge mentioned on a past A level exam I did.
They put them on a bridge for example and if the size of the bridge alters slightly the resistance of the wire alters.
Physics coursework objective: my objective in this experiment is to investigate one of the factors that affect the resistance of a piece of wire the one i am investing is the length at constant temperature.
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