Two wires of same length and …
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First Name 5 years ago
Y = Young's modulus of wires
R1= r
R2=2r
As equal elomgation is produced,
∆l = elongation
F = YA∆l/l
f = YA'∆l/l
F/f = A/A'
F/f = $$\pi$$r²/$$\pi$$r² ×4
F:f = 4 : 1
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