This is the question of hc verma pg 300 exercise q4. As the stress is same in both wires Y and strain are inversely related. So the answer given is wrong
This is the question of hc verma pg 300 exercise q4. As the stress is same in both wires Y and strain are inversely related. So the answer given is wrong page 300 v
tension of steel and cooper wires,
respectively.
F cu Asteel
Stress of Cu —
Stress of Steel¯ Acu Fsteel
(b)
Strain of Cu
Strain of steel ¯
Ysteel F Ci
Lcu
AL - F
(Using
1.3x1011
Strain of
Strain of
Strain of
Strain of
Strain of
cu -
steel
cu
steel —
cu
- 13
20
20
13
Hence, the required ratio is 20
Exit
13.
