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Question
Ab and Ac are the cross sections of bronze and copper bars of equal length.σb,σcare their respective stresses due to load P. If Pband Pc are the loads shared by them
leku yackbZ dh ihry vkSj rkacs dh vuqizLFk dkV Ab rFkk Ac Hkkj P ds dkj.k yxus okyk izfrcy Øe'k% σb,σc gSA ;fn nksuksa }kjk ckaVk tk jgk yksM Pb rFkk Pc gks] rks 
A.
B.
P = Pb+ Pc
C.
P = Abσb + Acσb
D.
 All options
Answer ( Option D)

 All options

Solution

For composite section
Pc = Load resisted by copper
Pb = Load resisted by bronze
P = Pc + Pb

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