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Questions related to Electromagnetism
My question is prompted by Problem P. 4263 (May 2010) of the webpage www.komal.hu, which contains physics problems from Hungary (in English).
01 January 2015 1,611 10 View
01 January 2015 8,435 9 View
I have a question about the paper "Feasibility of Interference Alignment for the MIMO Interference Channel" by Bresler, Cartwright and Tse, IEEE Tran Information Theory, Vol. 60, Issue 9, page...
12 December 2014 9,403 1 View
Dear all, how I can determine the negative refractive index of the metamaterials by CST studio suite or by using S-Parameters?
12 December 2014 8,787 15 View
Dear researchers and friends, please tell me the formula for calculating Reflection loss in EMI SE? I used 20 log [S11], is it correct?
12 December 2014 1,853 4 View
Although both Ce^3[ 4 f^1] and Yb^3[4 f^13] possess only one unpaired electron, yet their magnetic moments differ largely. Please suggest a suitable relation to calculate their magnetic...
12 December 2014 2,628 2 View
for example if we have a wire with a current this wire make a magnetic field around itself and if we have a charge particle that move parallel to this wire this particle have a force component...
12 December 2014 6,033 0 View
11 December 2014 7,099 1 View
We know that a decelerated charge emits photons. So you can visualize an observer in a stationary frame of reference that detects these photons. However for another observer in an accelerated...
28 November 2014 3,053 28 View
Thanks.
11 November 2014 2,917 5 View
The dielectric properties of the composites are influenced not only by the relative permittivity of the components but also by other factors such as the morphology, dispersion as well as the...
11 November 2014 7,426 4 View
11 November 2014 1,682 26 View
I try to simulate 2D voltage induced in coil by moving magnet which is COMSOL example in 3D but I get error that Failed to evaluate variable Jacobian. - Variable: comp1.tAx_lmTy - Geometry: 1 -...
11 November 2014 8,412 2 View
In a birefringent crystal, the incident light gets split into two beams. One is ordinary and the other is extraordinary rays. The ordinary ray experiences constant refractive index n_o but the...
14 October 2014 8,147 9 View
Can someone explain the procedure by which we can view classic electromagnetism through quantum mechanics? Are we able to look at any field as an ensemble of particles (photons), and how can we...
10 October 2014 3,675 7 View
Please give a physical description about it and examples where we encounter it in studying astrophysics.
10 October 2014 8,916 2 View
In physics law it is said that one can not exceed the speed of light then the why phase velocity of wave inside the wave guide is greater than the speed of light?
10 October 2014 9,979 9 View
Dear all, I have come to a question regarding what has been extensively studied in electromagnetic energy conversion principles. Assume a single coil in a magnetic circuit. It we consider the...
10 October 2014 8,341 16 View
10 October 2014 5,306 9 View
Recently, we have designed a new electrical device with the output power 3v. We need to transfer internet data from this device to another one using a four terminal electrical cable (not twisted....
10 October 2014 7,660 6 View
I have seen that both classical and quantum theories are developed for this phenomenon. So please explain me the need for this.
10 October 2014 6,893 4 View
I am designing a 1.5 T electromagnet. It is C shaped electromagnet, having two coils at two ends. Image is attached for reference. When i am considering force between two coil, which should be...
24 September 2014 5,805 9 View
As I think only few papers are available on this field also very few database I found which is also up to 1990 or 1995. Does someone know about these data or other available database or recent...
11 September 2014 5,647 5 View
I need to know the changes in the energy equation and in the Navier-Stokes equations for that matter.
09 September 2014 6,918 2 View