Question
A wire has a resistance of R. What will the wire's resistance be if it is stretched to four times its original length without changing the volume of the wire? (Express in
terms of R.)
R=V/I; 4R=V/I; R=V/(I/4)
I think this is right? help please.
terms of R.)
R=V/I; 4R=V/I; R=V/(I/4)
I think this is right? help please.
Answers
Calculate p.d.at the e
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