Question

The resistance of a wire of length 300m and cross-section area 1.0 mm² made of material of resistivity 1.0 x 10 m is:​

Answer 1

Answer:

30Ω

Explanation:

Answer 2

Answer: 3×$10^{9}$Ω

Explanation:

we know the formula R=ρ $\frac{L}{A}$  

R=1.0×10×$\frac{300}{10^{-6} }$ =3×$10^{9}$Ω