if a wire of resistance 1 ohm is stretched to double its length . then the resistance will be
Answers
Answered by
6
heyy user ur answer...
R = ρL / A
R = ρL^2 / V
When wire is stretched Volume (V) remains constant.
∴ R ∝ L^2
From above relation if length (L) is doubled resistance (R) will quadruple.
Hence, new resistance will be 4Ω..........
hope this will help u.......@kundan
R = ρL / A
R = ρL^2 / V
When wire is stretched Volume (V) remains constant.
∴ R ∝ L^2
From above relation if length (L) is doubled resistance (R) will quadruple.
Hence, new resistance will be 4Ω..........
hope this will help u.......@kundan
Similar questions