A) Will become half
B) Will be doubled
C) Will remain the same
D) Will become four times
Correct Answer: C
Solution :
\[{{R}_{1}}\propto \frac{l}{A}\Rightarrow {{R}_{2}}\propto \frac{2l}{2A}i.e.\,{{R}_{2}}\propto \frac{l}{A}\] \[\therefore {{R}_{1}}={{R}_{2}}\]
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