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If Y = 2 xx 10^11 N/m^2 for a wire, the ...

If `Y = 2 xx 10^11 N/m^2` for a wire, the force required to double the length of a wire of the same material of cross section `1 mm ^2` is

A

a)`2 xx 10^11 N`

B

b)`2 xx 10^5 N`

C

c)`10^11 N`

D

d)2N

Text Solution

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The correct Answer is:
B
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