a wire is 1 m long,0.2 mm in diameter and has resistance of 10Ω . calculate its resistivity
Answers
Answered by
2
HEYA GN ❤
★ RHO { Resistivity } = R × L / A
A = πr² = 3.14 × ( 0.1 × 10^-3 )²
L = 1m ; R = 10Ω
★ Rho = R × L/A
= 10 × 1 / ( 10-⁴ ) ²
= 10 / 10^-8
★ Rho ( Resistivity ) = 10^9 Ωm
TQ ❤ ❤
Similar questions