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current and resistance of a wire and the affects when the length changes

Essay specific features

 

Issue:

Science

 

Written by:

Kelly L

 

Date added:

October 10, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 719

 

Was viewed:

1571 times

 

Rating of current essay:

 
Essay content:

Voltage is the push given to the current. The current has to go through a circuit, which contains resistance so if you increase that push you also increase the flow of the current. All materials have a slight resistance to electricity factors affecting the resistance are: Length, Voltage & Temperature and Surface Area Length The diagram shows the happenings of a wire the blue dots represent some of the negative electrons which leads to a lower voltage output, when the length is increased...
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The more the temperature increases the more the particles vibrate leading to a reduction in output voltage although not by a huge amount this does have an affect. Density Density has a large affect on the amount of resistance. The resistance depends upon the amount of denseness e.g. a large surface area has less resistance because a small area has tightly packed atoms which in turn rebound many of these electrons...
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General issues of this essay:
current and resistance of a wire and the affects when the length changes How does Length affect resistance? How does the length of a wire affect its resistance? Resistance of a Wire Resistance of a Wire Resistance of a Wire Resistance of a Wire Resistance of wire resistance of a wire resistance of a wire resistance of a wire resistance of a wire resistance of wire resistance of wire The resistance of a wire
 

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