cause of resistance

Essay specific features

 

Issue:

Science

 

Written by:

Sylvia P

 

Date added:

August 16, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 938

 

Was viewed:

1437 times

 

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Essay content:

This means that the length will affect the resistance. Hypothesis I predict that as the length of wire is increased a greater amount of resistance will be created. This is because electrons colliding into ions cause resistance, so if the length of the wire is doubled, the electrons bump into twice as many ions so there will be twice as much resistance...
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These charges loose energy as they move through the materials forming the circuit. Some materials, like metals, make it very easy for the charges to move, providing millions of mobile electrons that flow easily. Others like polythene provide no mobile electrons and current cannot flow through them. In between these two extremes are many materials, which do allow charges to move but not as easily as metals do...
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