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A Conductor of Radius R, Length and Resistivity $\rho$ Has Resistance R

Question 17

Multiple Choice

A conductor of radius r, length and resistivity $\rho$ has resistance R.What is the new resistance if it is stretched to 4 times its original length? $A conductor of radius r, length and resistivity \rho has resistance R.What is the new resistance if it is stretched to 4 times its original length? A) R B) R C) R D) 4R E) 16R$

A) R $A conductor of radius r, length and resistivity \rho has resistance R.What is the new resistance if it is stretched to 4 times its original length? A) R B) R C) R D) 4R E) 16R$
B) R $A conductor of radius r, length and resistivity \rho has resistance R.What is the new resistance if it is stretched to 4 times its original length? A) R B) R C) R D) 4R E) 16R$
C) R
D) 4R
E) 16R