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Asked by Saritha Last Modified
Answer 
Shivam Sharma
Elongation of the steel wire = 1.49 × 10–4 m
Elongation of the brass wire = 1.3 × 10–4 m
Diameter of the wires, d = 0.25 m
Hence, the radius of the wires, 
= 0.125 cm
Length of the steel wire, L1 = 1.5 m
Length of the brass wire, L2 = 1.0 m
Total force exerted on the steel wire:
F1 = (4 + 6) g = 10 × 9.8 = 98 N
Young’s modulus for steel:
Where,
ΔL1 = Change in the length of the steel wire
A1 = Area of cross-section of the steel wire
Young’s modulus of steel, Y1 = 2.0 × 1011 Pa
Total force on the brass wire:
F2 = 6 × 9.8 = 58.8 N
Young’s modulus for brass:
Elongation of the steel wire = 1.49 × 10–4 m
Elongation of the brass wire = 1.3 × 10–4 m
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