![subject](/tpl/images/cats/fizika.png)
Physics, 20.09.2019 23:40 Kkampudiaa
Which of the following materials allows charges to flow easily?
a. wood
b. an electrical conductor
c. glass
d. an electrical insulator
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 00:20
Suppose that an electromagnetic wave which is linearly polarized along the x−axis is propagating in vacuum along the z−axis. the wave is incident on a conductor which is placed at z > 0 region of the space. the conductor has conductivity σ, magnetic permeability µ and electric permittivity ε. (a) find the characteristic time for the free charge density which dissipates at the conductor. (b) write the maxwell equations and derive the wave equation for a plane wave propagating in a conductor. (c) find the attenuation distance at which the incident amplitude reduces to e ^−1 of its initial value. (d) find the electric and magnetic fields inside the conductor. 8 (e) find the power loss per area of the incident electromagnetic wave at the surface of conductor.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:00
Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:10
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:40
Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion
Answers: 2
You know the right answer?
Which of the following materials allows charges to flow easily?
a. wood
b. an electric...
a. wood
b. an electric...
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.05.2021 21:20
![question](/tpl/images/cats/en.png)
English, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20
![question](/tpl/images/cats/istoriya.png)
History, 06.05.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 21:20