How Should a Capacitor Be Filled Horizontally to Match Its Vertical Capacitance?

StuckInPhysic
Messages
6
Reaction score
0
1. A vertical parallel-plate capacitor is half filled with a dielectric for which the dielectric constant is 1.97 (Fig. P26.70a). When this capacitor is positioned horizontally, what percentage of it should be filled with the same dielectric (Fig. P26.70b) so that the two capacitors have equal capacitance?

| | _______________
| |
|-+-| --------------------
|++| ++++++++++++ one is filled standing | | while one is
|++| -------------------- perpendicular to that

Homework Equations



I don't even know were to start...

The Attempt at a Solution



yup. Thanks for anything :)
 
Physics news on Phys.org
apparently spaces do not show
|...|
|||||

vs
_____
_____
-------
`````
 
Thread 'Need help understanding this figure on energy levels'

Thread 'Need help understanding this figure on energy levels'

This figure is from "Introduction to Quantum Mechanics" by Griffiths (3rd edition). It is available to download. It is from page 142. I am hoping the usual people on this site will give me a hand understanding what is going on in the figure. After the equation (4.50) it says "It is customary to introduce the principal quantum number, ##n##, which simply orders the allowed energies, starting with 1 for the ground state. (see the figure)" I still don't understand the figure :( Here is...
View full post »
Thread 'Understanding how to "tack on" the time wiggle factor'

Thread 'Understanding how to "tack on" the time wiggle factor'

The last problem I posted on QM made it into advanced homework help, that is why I am putting it here. I am sorry for any hassle imposed on the moderators by myself. Part (a) is quite easy. We get $$\sigma_1 = 2\lambda, \mathbf{v}_1 = \begin{pmatrix} 0 \\ 0 \\ 1 \end{pmatrix} \sigma_2 = \lambda, \mathbf{v}_2 = \begin{pmatrix} 1/\sqrt{2} \\ 1/\sqrt{2} \\ 0 \end{pmatrix} \sigma_3 = -\lambda, \mathbf{v}_3 = \begin{pmatrix} 1/\sqrt{2} \\ -1/\sqrt{2} \\ 0 \end{pmatrix} $$ There are two ways...
View full post »

Similar threads

Calculating Electric Displacement in Dielectric-Filled Capacitor Slabs
Replies
1
Views
2K
Why Capacitors in Parallels vs. Series: Coaxial Capacitor Case
Replies
2
Views
2K
Torque acting on a movable dielectric
Replies
2
Views
2K
Breakdown in parallel plate capacitor with dielectric
Replies
2
Views
4K
Capacitance of a parallel plate capacitor with dielectrics
Replies
7
Views
5K
Capacitor with two angled dielectric materials
Replies
1
Views
4K
Capacitance with dielectric permittivity that depends on r
Replies
1
Views
1K
Calculating Dielectric Strength between plates
Replies
1
Views
2K
Finding the bound charge in a dielectric
Replies
10
Views
6K
Capacitors: find the dielectric constant
Replies
2
Views
1K

Hot Threads

Recent Insights

Back
Top