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A Conductor of Radius R,length

Question 7

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A conductor of radius r,length A conductor of radius r,length And resistivity ρ has resistance R.It is melted down and formed into a new conductor,also cylindrical,with one fourth the length of the original conductor.The resistance of the new conductor is A) R B) R C) R D) 4R E) 16R
And resistivity ρ has resistance R.It is melted down and formed into a new conductor,also cylindrical,with one fourth the length of the original conductor.The resistance of the new conductor is


A) A conductor of radius r,length And resistivity ρ has resistance R.It is melted down and formed into a new conductor,also cylindrical,with one fourth the length of the original conductor.The resistance of the new conductor is A) R B) R C) R D) 4R E) 16R R
B) A conductor of radius r,length And resistivity ρ has resistance R.It is melted down and formed into a new conductor,also cylindrical,with one fourth the length of the original conductor.The resistance of the new conductor is A) R B) R C) R D) 4R E) 16R R
C) R
D) 4R
E) 16R

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