How does Length affect resistance?

Essay specific features

 

Issue:

Science

 

Written by:

Gilbert F

 

Date added:

July 23, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1593

 

Was viewed:

9686 times

 

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Essay content:

The symbol for an ohm is ? Here is the rule for working out the resistance of a circuit: V/I = R or V - Volts I - current R - resistance Variables ? length of wire ? thickness ? type of wire ? current ? voltmeter ? temperature Dependant variables ? length Prediction As we are looking at length this is my prediction: I predict that the longer the wire the higher the resistance...
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This is because electrons have to travel pass more atoms and collisions between the electrons and atoms are made likely rather than in a shorter wire. Also I can say this because I know that the electrons have to compress together more in order to be able to pass through nichrome wire. The length of the wire will make a difference; this is because when you have a long wire, the electrons have to compress together for longer to be able to pass through the wire than they do in order to be able to pass through a short wire...
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