makaylagilbert4477 makaylagilbert4477

25-07-2022
Physics

contestada

Consider two copper wires. one has twice the length and twice the cross-sectional area of the other. how do the resistances of these two wires compare?

Respuesta :

25-07-2022

Answer:

R = ρ L / A where R is the resistance and ρ the resistivity:

R2 / R1 = (L2 / A2) / (L1 / A1) = L2 * A1 / (L1 * A2)

R2 / R1 = (2 L * A) / (L * 2 A) = 1

Their resistances should be the same.

Answer Link

Otras preguntas

Sicily is playing a game where she is trying to guess the four digits in her friend's locker code, in any order. The digits range from 1 to 20, and none of the

Can anyone help me find the simplest form for 15/23 / 6/7

A penny, a nickel, a dime, and a quarter are tossed. What is the probability of obtaining at least one head on the tosses?

Why is the pizza box square the pizza circle and the slices triangles

Find an equation of the line that (a) has the same y-intercept as the line and (b) is parallel to the line .

a box contains 13 red blocks, 8 orange blocks,9 green blocks,and 10 blue blocks . Shelly randomly chooses a block from the box. What is the probability that the

what is algor mortis?

Erin byus a bag of peanuts that weighs three fourths of a pound. Later that week, the bag is two thirds full.how much does the bag of peanuts weigh now? Show yo

what is the similarties of all three rocks types

The newly formed Communist PartyA.signed a treaty with the Central PowersB. signed a treaty with the AlliesC. requested protection from JapanD. requested protec