Question

A copper wire is stretch to make it 0.1%longer what is change in resistances

Answer 1

Answer:

0.2%

Explanation:

R is directly proportional to square of L

Answer 2

$\blue{\bold{\underline{\underline{✓ REFER\:TO\: THE \:ATTACHMENT}}}}$

⊱⋅ ───────────⚡────────── ⋅⊰