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

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

In targeting professionals (such as doctors, lawyers, and teachers) with advertising, the advertiser must be aware that a. the language and images used in th

Which verb form correctly completes this sentence? Mes cousins ont vu un appartement dans le centre-ville. Ils ont trouvé que l’appartement étrait trop petit po

What happens to the pressure exerted on blood when the heart contracts? What happens to pressure exerted on the blood when the heart relaxes or the blood vessel

No canto ___ varios años. a. hizo b. desde hace c. desde d. que

Which statement best describes the benefit of having a universal system of measurement A. Scientists from different countries can more easily share and compare

The fundamental or most basic defense mechanism is _______. a. rationalization b. repression c. denial d. projection

The principle of ________ states that top managers should always construct a hierarchy with the fewest levels of authority necessary to efficiently and effectiv

The Wright brothers explain that the plane fell at a(n) _____ angle. a. right b. acute c. obtuse d. oblique

The field of evolutionary psychology seeks to understand ___________. A. the history of psychology and how it evolved from earlier attempts to understand the m

Help me please Idk what to do