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Why the spring is made up of steel in comparison of copper |
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a) |
Copper is more costly than steel |
b) |
Copper is more elastic than steel |
|
c) |
Steel is more elastic than copper |
d) |
None of the above |
|
Why the spring is made up of steel in comparison of copper |
|||
|
a) |
Copper is more costly than steel |
b) |
Copper is more elastic than steel |
|
c) |
Steel is more elastic than copper |
d) |
None of the above |