equipotential Definition and 104 Threads

Homework Statement a metal sphere of radius 0.39 m carries a charge 0.55 μC. Equipotential surfaces are to be drawn for 100-V intervals outside of the sphere. Determine the radius of the first, tenth and 100th equipotential from the surface. Homework Equations V = kQ / r Volt =...

Homework Statement A) Calculate the work performed by an external agent to move a charge of -0.59x10-12 C from `i' to `b'. B) Calculate the magnitude of the electric field at `k' Homework Equations W = q∆V Where ∆V is the potential difference between the two potential lines...

So this may be a bit silly, but one thing I've never really learned in all my years is how one actually goes about calculating equipotential surfaces for arbitrary potentials? Let's say I have a potential that goes like \Phi = A_0e^{-\left({{r}\over{r_0}}\right)^2}\cos^2 (\phi) \sin^2(\theta)...

Homework Statement consider now a system of two charges: a point charge q>0 located at the position (x,y,z)=(a,0,0) and a point charge -q/2 located at (-a,0,0).Show that the equipotential surface V=0, i.e. with the same potential than at infinity, is a spherical surface. Determine the centre...

What is the kinetic energy of particle moving in a equipotential surface? Whether is it constant or variable?

Homework Statement Draw the electric field lines and equipotential lines for the electrode configure. Assume one of the parallel plate is at a positive potential and the other one is grounded. Homework Equations The Attempt at a Solution I know the electric field lines and...

Homework Statement The adjacent figure shows the E-field lines (with arrows) and equipotential contours for a certain charge configuration. Determine for each of the following statements whether it is true or false. Assuming that these contours are those of a point charge at the origin...

Homework Statement Two infinitely long wires running parallel to the x-axis carry uniform charge densities \lambda and - \lambda. a.) Find the potential at any point (x, y, z) using the origin as your reference. b.) Show the equipotential surfaces are circular cylinders, and locate the...

Hi there, Could you describe for me what happens to the equipotential lines of two charges as they move close to each other. Thanks

Homework Statement in my exam, i had the following question say true or false--conductors are equipotential. what is the answer? Homework Equations The Attempt at a Solution

Homework Statement The figure below shows the equipotential lines for a uniformly varying electric field. [PLAIN]https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/Phys1202/fall/homework/Ch-20-Potential/equipotential_lines/equ-lines-1.jpg A) What is the...

I am having trouble understanding this. For example, say I have this: [positive point charge] [A][neutral conducting sphere][B] [...infinity] I know the point charge will create a field radially outward. But now I'm thinking of a test charge being brought in...

Homework Statement Sketch the equipotential surfaces which result from the following charge configurations: (a) a point charge (b) a spherically symmetric charge distribution (c) a very large, plane, uniformly-charged sheet (d) a long, uniformly-charged cylinder (e) an electric dipole...

Homework Statement Sketch the equipotential surfaces which result from the following charge configurations: (a) a point charge (b) a spherically symmetric charge distribution (c) a very large, plane, uniformly-charged sheet (d) a long, uniformly-charged cylinder (e) an electric dipole...

Homework Statement Sketch the equipotential surfaces which result from the following charge configurations: (a) a point charge (b) a spherically symmetric charge distribution (c) a very large, plane, uniformly-charged sheet (d) a long, uniformly-charged cylinder (e) an electric dipole...

Homework Statement A given system has the equipotential surfaces shown in the figure . http://session.masteringphysics.com/problemAsset/1122530/1/Walker.20.39.jpg A)What is the magnitude of the electric field? B)What is the direction of the electric field? (in degrees from the +x...

I understand the concept of electric field lines but don't understand the interaction with the equipotential lines. I understand that along each equipotential line/surface that there is no change in potential energy. I also understand the field lines need to cross perpendicularly with the...

The question I am having trouble with shows an image of 2 different conductors, one is at +300 volts, while the other is -600 volts with a few lines going in between which circle around. The points on the equipotential surface are on lines labeled as a (which lies on a -200V line) and the other...

Homework Statement A given system has the equipotential surfaces shown in the figure What is the magnitude of the electric field? What is the direction of the electric field? (degrees from + x axis What is the shortest distance one can move to undergo a change in potential of 5.00...

In a uniform electric field, where 2 plates are placed horizontally and are parallel, the electric field is vertical.. What about the equipotential lines? Are they horizontal?Also, I need to draw a graph of how the Force on an electron varies with the distance from the bottom plate, and this is...

Homework Statement A spherical potential conductor of radius R1 is charged to 20kV. When it is connected by a long, fine wire to a second sphere faraway. its potential drops to 12kV. What is the radius of the second sphere. Homework Equations V=kq/r The Attempt at a Solution So...

Homework Statement A set of concentric hemispherical surfaces is given, each of which is an equipotential surface. These concentric surfaces do not, however, have the same value of potential, and the potential difference between any two surfaces is also not constant. The surfaces are spaced...

Homework Statement The problem has two thin metal bar electrodes, one setup to be positive and one setup to be negative. A metal circular disc is placed between the two bars. Why do the equipotential lines near the edge of the bar run parallel to the bar? The setup looks kind of like this...

Homework Statement Our lab is not online, but this is so similar to what we did. http://physics.fullerton.edu/~SAM/PDF/Lab%20Manuals/212/Individual%20Experiments/Equipotential%20Surfaces%20E6.pdf" Instead of the ten that they set their voltage to, we set ours to 12. Homework Equations...

I need help with developing a good understanding of equipotential surfaces corresponding to regions of three dimensional electric fields. I would appreciate if someone could refer me to a site or sites where this is comprehensively explained along with illustrations and with related conceptual...

Homework Statement What determines the shape and spacing of equipotential lines?Homework Equations NoneThe Attempt at a Solution I think the fact that equipotential lines have to be perpendicular to the surface determine the shape of the lines. I'm not sure what determines the spacing. Is it...

Homework Statement (i) Explain why it would not be possible to write the magnetic Field (B-field) in terms of a vector potential (A) IF magnetic monopoles existed. (ii) For an electrostatic field (E-field), define the electrostatic potential (Fi), and explain CONCISELY what is meant by a...

Homework Statement The lines show equipotential contours in the plane of three point charges, Q1, Q2, and Q3. The positions of the charges are marked by dots. The values of the potentials are in kilovolts as indicated, e.g., +5 kV, −5 kV; the contour interval is 1 kV. The letters denote...

Homework Statement You have two metal electrodes, not touching each other. One is a circle and one is like a thin plank. The plank is at a lower electric potential. Draw electric field lines between them, including direction. Draw equipotential lines in the space between the electrodes...

Homework Statement Consider a region in space where a uniform electric field 6700 N/C points in the negative x direction. What is the orientation of the equipotential surfaces? a.Parallel to the xz-plane. b.Parallel to the yz-plane. c.Parallel to the xy-plane. Homework Equations...

The figure shows the equipotential lines for another electric field. What is the approximate strength of the electric field at points A and B...

An infinite string with linear charge density \lambda is put parallel to the axis of an infinite conducting grounded cylinder (V=0) of radius R, the distance between the string and the center of the cylinder is l. Find the potential outside the cylinder. Is it possible to solve this problem...

If we suppose that the magnitudes of the charge distributions on the two rings are different. Is the mid line still an equipotential line? How can we explain this situation? Thanks..

I have two questions about electric field and equipotential surface. Here is first one: For an arrangement of two point charges, --Is it possible to find two points (neither at infinity) where E = 0 ? Secondly, --Is it possible for two or more different equipotential surfaces to intersect?

[SOLVED] Equipotential surfaces Homework Statement http://personalpages.tds.net/~locowise/test/equipot1.jpg Fig. 1 -- Some equipotential surfaces In the figure above, you see a set of equipotentials representing an electric field in the region and some labeled points (A..G). What is...

[SOLVED] Equipotential Surfaces Question If the radius of the equipotential surface of point charge is 14.3 m at a potential of 2.20 kV, what is the magnitude of the point charge creating the potential? have V = [1/4πεo] [q/r] Given that, V = 2.20kV = 2200V r = 14.3m...

Conductors and Equipotential Lines - Fun! Homework Statement Consider the following two conductors. conductor A is grounded so that it has a voltage of 0 V and conductor B is charged up so it has a voltage of +20 V. Draw in the equipotential lines and then draw in the E field lines indicating...

Homework Statement Can someone please define contour map for equipotential surfaces in really simple terms. I understand that the potential diff is from the neg side I don't understand what it means when the lines are closer together? I thought the lines are just divisions of the voltage...

if i am finding the equipotential lines by using a conducting sheet, power supply, and muiltimeter to find the voltage, what types of errors can be present while experimenting? could there be areas of no-flow or disappearing lines? thanks

The work in joules required to carry a 6.0 C charge from a 5.0 V equipotential surface to a 6.0V equipotential surface and back again to the 5.0V surface is: A) 0 B) 1.2 X 10^-5 C) 3.0 X 10^-5 D) 6.0 X 10^-5 E) 6.0X10^-6 I was thinkin the work is 0, but then again that seems too easy

Homework Statement If the electric field at a point in space has a magnitude of 300 volts/meter, about how far apart are the equipotential surfaces that differ by 10 volts? well, i think that they are 30 meters apart. All I did was 300 volts/meter/10 volts since that will cancel the...

Okay, we are supposed to do a lab in class and compare it to the real results. However, for some reason, my lab result is very different from my theoretical value. The lab is like this: I put a sheet of conductive paper with the dipole electrodes, one positive and one negative, of course...

Equipotential Lines! I recently did a lab in class that dealt with electric field mapping (very similar to http://physics.nku.edu/GeneralLab/211%20Elect%20Pot.%20&%20Field%20Map.html) and i have to write a lab report now.. I don't understand why the equipotential lines are always perpendicular...

Problem: A given system has the equipotential surfaces shown below, where Vo = 12.0 V. (a) What are the magnitude and direction of the electric field? (b) What is the shortest distance one can move to undergo a change in potential of 5.00 V? I am not too sure on what equations I...

"For a point charge of +3.50 microC what is the radius of the equipotential surface that is at a potential of 2.40 kV?" For a point charge, the voltage = kq/r, where k =9*10^9 N*m^2/C^2, q is the charge, and r is the radius. Solving for r, I get r = 13.1 m. But the answer is 12.6m...

just a coupla quick questions: 1) in a parallel plate capacitor, we have field lines and equipotential lines. field lines show direction from the + to the - plate, but equipotential lines have no direction. why is this? 2) what happens to the electric field near the edges of the plates? 3) if...

How can i sketch the equipotential lines for an isolated negatively charged particule?

Is it possible for two different equipotential lines or two lines of force to cross ??

Hey all, I'm a bit confused over an experiment in which we mapped Equipotential Surfaces to then use to draw Electric Field lines using electrodes placed into water to act as a dipole. Along with this, we also had to place a circular conductor and insulator (both uncharged) into the water as...

Hello everyone I'm confused on this topic. I read about it in the book and it made sense though. The question is: Figure 24-25 shows three sets of cross sections of equipotential surfaces; all three cover the same size region of space. Diagram: http://www.webassign.net/hrw/25_29.gif (a)...