Isaiahgardiner4597 Isaiahgardiner4597
  • 15-07-2019
  • Physics
contestada

A rod (length = 80 cm) with a rectangular cross section (1.5 mm × 2.0 mm) has a resistance of 0.20 Ω. What is the resistivity of the material used to make the rod?

Respuesta :

gilcarusolautaro
gilcarusolautaro gilcarusolautaro
  • 28-07-2019

Answer:

The resistivity of the material used to make the rod is ρ= 7.5 * 10⁻⁷ Ω.m

Explanation:

R= 0.2 Ω

L= 0.8 m

S= 1.5mm*2mm= 3 mm² = 3 * 10⁻⁶ m²

ρ = (R*S)/L

ρ= 7.5 * 10⁻⁷ Ω.m

Answer Link

Otras preguntas

What is 248% as a mixed number?
the philosophies of malcolm x and martin luther king are best described as somewhat similar drastically different somewhat different very similar
Simplify the complex fraction: 4/(x+3)/(1/x+3) A. 12x+4/x^2+3x. B. 4x/3x+9. C. 4x/3x^2+10x+3. D. None of these
Which of the following was one of Saint Augustine's key ideas? a. His belief in monastic celibacy b. His doctrine of Christ's divinity c. His doctrine of origin
which group of english colonies were the most diverse?
-r-10r combinig like terms
What is the difference between membrane distillation and pervaporation?
A biologist observes that ocean temperature decreases with increasing depth and concludes that deep sea creatures are superior animals because they can survive
Write the number in standard form 1.872x102
Why is pangaea important?