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The breaking force for a wire is F. The breakingforces for a single wire of double thickness is(2) 2 F(4) 0.5F(3) 4 F |
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Answer» Stress = F/A => when A→2A F should be twice → 2F option 2 answer is opt. 3 breaking force of wire is F . breaking force of single wire i.e. F of double thickness i.e.2 will be breaking force =2F but i think option 2 is fair enough.. check your answer again. umm...ansr is 4F.... i have checked it again |
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