Science, asked by Benadhavpatro, 5 months ago

The area of cross-section of a metallic wire is 4×10⁻⁸ m² and it's specific resistance is 10× 10⁻⁸ Ohm meter. If the resistance of wire is 25 Ohm , what would be it's length ​

Answers

Answered by aneeshacelinks
0

Answer:

the length would be 25 m

Explanation:

R=ρ \frac{l}{A}

Given R=25 , ρ = 10 × (10^(-8)) , A = 4 × (10^(-8))

25=10×10^{-8\\} \\\\× \frac{l}{10*1\\0x^{-8}  }

25 = l

Similar questions