Physics, 13.03.2020 04:58 rickyg1354
A conductor of radius r, length l and resistivity p has resistance R. It is melted down and formed into a new conductor, also cylindrical,
with one half the length of the original conductor. The resistance of the new conductor is
(A)16/R
(B)4/R
(C) 4R
(D) 16R
Answers: 2
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A conductor of radius r, length l and resistivity p has resistance R. It is melted down and formed i...
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