Q.
A copper wire of 2 mm diameter is stretched by applying a force on 314 N . Find the stress in the wire
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a
1×108N/m2
b
1.373×106N/m2
c
1.473×107N/m2
d
1.573×1010N/m2
answer is A.
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Detailed Solution
Stress =FA=FπR2=3143.14×1×10-32=108N/m2
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