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A Conductor of Radius R, Length and Resistivity ρ

Question 21

Multiple Choice

A conductor of radius r, length A conductor of radius r, length and resistivity ρ 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 and resistivity ρ has resistance R. What is the new resistance if it is stretched to 4 times its original length?


A) A conductor of radius r, length and resistivity ρ 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 R
B) A conductor of radius r, length and resistivity ρ 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 R
C) R
D) 4R
E) 16R

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