A) 2.5%
B) 0.5%
C) 1.0%
D) 2.0%
Correct Answer: C
Solution :
\[R\,=\,\frac{\rho l}{A}\,and\,volume\,(V)\,=\,Al\] \[\text{R}\,=\,\frac{\rho {{l}^{2}}}{\text{V}}\] \[\Rightarrow \] \[\frac{\Delta \text{R}}{\text{R}}\,=\,\frac{2\Delta l}{l}\,=\,1%\](V= constant)You need to login to perform this action.
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