A) 1
B) 3
C) 5
D) 7
Correct Answer: A
Solution :
[a] Given\[{{l}_{steel}}={{l}_{copper\,}}\,and\,{{A}_{steel}}={{A}_{copper}}\] So, \[\frac{stress\,of\,steel}{stress\,of\,copper}=\frac{{{F}_{steel}}}{{{A}_{steel}}}\times \frac{{{A}_{copper}}}{{{V}_{copper}}}\] \[=\frac{{{F}_{steel}}}{{{F}_{copper}}}=1\]You need to login to perform this action.
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