historygeek96 historygeek96

14-06-2014
Physics

contestada

Compute the resistance in ohms of a copper block 5.0 cm long and 0.10 cm2 in cross-sectional area. (ρ = 1.77 × 10-6 ohm-cm)

Respuesta :

14-06-2014

R=ρ l/a
l=5 cm
a=0.10 cm²
ρ=1.77×10∧-6 Ωcm
R=(1.77×10∧-6) ×5/0.10
=8.85 ×10∧-5 Ω

resistance is directly proportional to length and inversly proportional to area of cross section is given by above equation

Answer Link

Otras preguntas

Why cases of sexual abuse and gender based violence are not reported?

In the following chemical reaction, how many moles of N2 are needed to completely react with 3 moles of H2? N2 + 3 H2 2 NH3 a. 1 b. 2 c. 3 d. 6

what happens to the gravitational force between two objects when their masses are increased? What happens when the distance between the objects increases?

What does this equal? 4(2x+1)-2x=-8

The systematic killing of a people group by another is called _____.

which form of government would have the least amount of citizen participation? out of a)democracy b)oligargy c)autocracy d)confederation

Find the point on the line y = 2x + 3 that is closest to the origin.

Which of the following equations are balanced? A: 2H2 + O2 → 2H2O B: 2S + 3O2 → 2SO3 C: Li + Cl2 → LiCl D: 2K + 2H2O → H2 + 2KOH E: 2Fe + Cu(NO3)2 → 2Cu + Fe(NO

Is 1 4/5 greater than or less than 9 and why

how many kilograms are in 7500 grams