Asked by mat

a wire has a resistance of 6 ohm it is stretched out to a new length which is three times its original length what is the resistance of the longer wire?assume uniform diameter.resistivity and density are constant
Answered by Chanz
R = rho l/A
l is now three times as big. What's the new resistance?
Answered by Max
18
Answered by Mayan kumar
A wire of resistance20ohm is stretched to 3times it's original length calculate it's new resistance
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