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

introduksyon para sa kabanata 32 eiflilibusterismo
​How much more is the total interest for the $15,000 loan than the $5,000 loan? That is, calculate the total interest for borrowing $15,000 at 6.5% interest for
Enlarge the figure with a scale factor of 1.5 . Choose the coordinates of the vertices. Select all that apply.
How to cancel membership that I've never used
A woman weighs 210 lbs. and is 65″ tall. calculate her bmi. a. 28 b. 35 c. 3.23d. 57 e. 77
What are some snake symbolisms
If x is an integer that satisfies the inequality 6 <2x < 8, then (A) 3 (B) 3 (C) -3 (D) -3
how have humans negatively impated the nitrogen cycle
If (sn) is a subsequence of (tn) and (tn) is a subsequence of (sn), can we conclude that (sn) = (tn) ? prove or give a counterexample.
IDENTIFY AND EXPLAIN THE IMPORTANCE OF 4 EVENTS FROM 1970- 2010THAT HAVE FUNDAMENTALLY CHANGED THE UNITED STATES. Need help asap