Threads Tagged with field Thread / Thread Starter Last Post Replies Views 1. The problem statement, all variables and given/known data For parallel electrodes, is the average electric field... Feb11-14 09:38 PM Simon Bridge 4 256 Introductory Physics Homework So, I will have to start applying to graduate school in the near future, and I am still stuck between pure mathematics... Feb11-14 05:10 PM Hypersphere 4 322 Academic Guidance Does anyone here know a source, where the equation of motion for a massless charged particle (which of course does not... Feb11-14 11:28 AM bcrowell 20 704 Special & General Relativity 1. The problem statement, all variables and given/known data Consider a solid conducting sphere with a radius a and... Feb10-14 12:30 AM jackarms 5 202 Introductory Physics Homework The divergence of a tensor field can be obtained by contracting the covariant derivative of said tensor field. I guess... Feb9-14 12:19 PM TrickyDicky 0 391 Differential Geometry 1. The problem statement, all variables and given/known data Figure 23-37a shows a narrow charged solid cylinder that... Feb9-14 11:03 AM jackarms 1 221 Introductory Physics Homework 1. The problem statement, all variables and given/known data The figure below shows a finite line charge with... Feb8-14 03:05 AM andylie 2 223 Introductory Physics Homework 1. The problem statement, all variables and given/known data I'm having trouble understanding these notes. Can... Feb7-14 08:27 PM BvU 13 375 Introductory Physics Homework 1. The problem statement, all variables and given/known data The metric for a given particle traveling in the... Feb7-14 08:10 PM strangerep 10 308 Advanced Physics Homework hi everyone. i'm having trouble understanding the concept of proper time in general relativity. suppose we have... Feb7-14 07:04 PM pervect 31 780 Special & General Relativity We know the equations for speed of rotating magnetic field, as N= 120*f/P, where f is frequency of AC currents & P is... Feb7-14 08:16 AM Bill_K 1 362 Special & General Relativity 1. The problem statement, all variables and given/known data In the figure the three particles are fixed in place and... Feb6-14 05:16 PM haruspex 10 222 Introductory Physics Homework There are two expressions of electric field between two parallel plates,say one carries Q and another carries -Q Then... Feb6-14 07:42 AM sophiecentaur 4 292 General Physics A large, thin, insulating slab 2 m x 2 m x 5 mm has a charge of 2 x 10^{-10} C distributed uniformly throughout its... Feb5-14 10:55 PM collinsmark 1 169 Introductory Physics Homework 1. The problem statement, all variables and given/known data If E = 6000 V/m, find the potential difference between... Feb5-14 05:18 PM lightgrav 10 221 Introductory Physics Homework 1. The problem statement, all variables and given/known data A current I carried in a conduit as described below.... Feb5-14 02:06 PM Sudharshan 11 229 Advanced Physics Homework 1. The problem statement, all variables and given/known data an electron is rotating around a proton with a... Feb5-14 11:28 AM erhyde 3 150 Advanced Physics Homework Consider a conducting loop with resistance R and area A suspended by a non-conducting wire in a magnetic field ... Feb5-14 06:08 AM Shyan 8 215 Classical Physics 1. The problem statement, all variables and given/known data An uncharged spherical thin metallic shell has a point... Feb5-14 01:45 AM ehild 1 163 Introductory Physics Homework 1. The problem statement, all variables and given/known data Three straight current carrying wires for each a current... Feb4-14 07:17 AM Tanya Sharma 12 268 Advanced Physics Homework Suppose an electron is initially at rest in a constant E field of 1000 V/m as measured in the lab. Determine the... Feb3-14 11:37 PM Andrew Mason 1 167 Introductory Physics Homework Two isolated point charges -7μC and +2μC are at a fixed distance apart. At which point is is it possible for the... Feb3-14 02:49 PM Chestermiller 5 176 Introductory Physics Homework My book says it is zero, but I don't know where to start , why is it zero ? I have to take an exam in few hours :cry:... Feb3-14 08:03 AM ehild 2 244 Introductory Physics Homework 1. The problem statement, all variables and given/known data A large, thin plastic disk with radius R = 1.1 meter... Feb2-14 09:27 PM Lee33 2 224 Introductory Physics Homework Is Schlumberger a good company? I talked with their rep at my school yesterday, and they sound really awesome.... Feb2-14 05:59 PM jesse73 13 838 Career Guidance 1. The problem statement, all variables and given/known data An alkali atom, on it's fundamental state, passes... Feb2-14 10:55 AM Jalo 2 144 Advanced Physics Homework I have been learning that gravity has a negative energy associated with it. I've heard this stated a couple different... Feb2-14 02:19 AM pervect 13 578 Special & General Relativity For an upcoming lab I will be mapping out the equipotential lines in an electric field with an isolated conductor in... Feb1-14 08:12 PM haruspex 3 166 Introductory Physics Homework 1. The problem statement, all variables and given/known data Consider a spherical dielectric shell so that ε = ε_0ε_r... Jan31-14 06:44 PM fkf 1 176 Advanced Physics Homework 1. The problem statement, all variables and given/known data The figure below shows two parallel plates. Assume they... Jan31-14 06:42 PM blue_lilly 2 141 Introductory Physics Homework If you have $$\int \left(\partial_\mu \phi(x)\right)... e^{iS}$$ then should the partial derivative always go on the... Jan31-14 06:35 PM geoduck 0 198 Quantum Physics In classical physics, charged particles induce electric field ##\vec{E}_c## around them. How do we interpret this... Jan31-14 12:36 AM karlzr 2 600 High Energy, Nuclear, Particle Physics 1. The problem statement, all variables and given/known data Use a Cartesian system whose origin coincides with the... Jan30-14 06:55 PM haruspex 5 352 Introductory Physics Homework 1. The problem statement, all variables and given/known data Two curved plastic rods, together form a circle of... Jan30-14 02:03 AM LeFerret 1 184 Introductory Physics Homework Suppose that H2O molecule (micro = 1.85 D) approaches an anion (such as Cl-) in the gas phase (situation typical of... Jan29-14 08:46 PM Danicathea 7 290 Biology, Chemistry & Other Homework In my note, we have written the field strength tensor as: F^{\mu\nu} =\partial ^\mu A^\nu -\partial ^\nu A^\mu... Jan28-14 08:10 PM ChrisVer 5 272 Quantum Physics I found a funny video on youtube, but I am not totally convinced by the argument. ... Jan28-14 06:26 PM pervect 11 424 Special & General Relativity 1. The problem statement, all variables and given/known data Point charge q1 = -5.0nC is at the origin and point... Jan28-14 10:50 AM hjelmgart 5 243 Introductory Physics Homework What is a magnetic field? Why are some electrostatic objects magnetic, and others not? Jan28-14 06:50 AM Antigone 2 370 General Physics Hello, in QED the corrections to electron propagator change the bare electron mass from m_0 to... Jan27-14 06:31 PM Avodyne 14 466 Quantum Physics