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ZimZim
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#1
Report Thread starter 17 years ago
#1
Hellow fellow education followers or summit *sigh*
I got a physics project "How does the length of a piece of wire affect resistance?" and i REALLY need help
Its due in on Friday and it is now Wednesday and I hav no idea wat to do....anyone got any ideas or hints/tips?
PLEASE HELP ME :'(
Simone
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GH
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#2
Report 17 years ago
#2
Use the formulae:

R= (p*L)/A

R=resistance
p=resistivity
A=cross sectional Area of wire
L=length

And as can be seen from the formulae, the longer the wire the bigger the resistance.
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