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Questions related to Electromagnetics
Can a electromagnetic shield on the poles of the magnets improve the power? is the energy taken from the rotation enough to keep it turning?
05 May 2016 4,650 0 View
What would be your brief recommendations for EMC for Hall sensors? I mean; how to increase robustness of the Hall sensors circuits? Any links? Thank you, Eugene
28 April 2016 8,607 9 View
according to Griem's formular, w_s=2×[1+1.75×〖10〗^(-4) N_e^(1⁄4) α×(1-0.068N_e^(1⁄6) T_e^(-1/2) )]〖10〗^(-16) w_e N_e ,so could we use electron excitation temperature obtained by Boltzmann Plot to...
04 April 2016 2,368 4 View
04 April 2016 2,856 10 View
I want to simulate BER for the CDMA network in Rayleigh and AWGN channel. I find the received power signal using Friis equation. But, how to include the received power signal into these channel?
04 April 2016 6,505 1 View
In my DCDC converter project, i used the transformer for isolation, power transfering. The current through primary side transformer, actuaclly full bridge transformer, is around 20A peak-peak with...
03 April 2016 3,309 2 View
The commonly held explanation is that the electromagnetic force is transferred by virtual photons. Are the static electric and magnetic fields produced by an electron also the result of virtual...
31 March 2016 4,914 18 View
tanδ = σ/ωε and Power dissipated by a dielectric media is given by Pdissipated = fE2 εtanδ. The tangent loss decreases with an increase in frequency and the power dissipated increases with...
23 March 2016 3,936 5 View
C. Joshi R. P. Sharma V. K. Tripathi J. Parashar
03 March 2016 6,104 3 View
03 March 2016 8,895 6 View
natural fibers or fabrics are good insulators. If Coating a metals or metal oxides on fabrics it will increase the conductivity. If the Conductivity is increased it is used for EMI shielding?
03 March 2016 2,935 0 View
what abut the effect of quantum friction and diffusion on electromagnetic laws?
03 March 2016 9,474 1 View
what is the correlation between skin depth and loop in TDEM method ?
02 February 2016 4,499 4 View
Working on the TEC measurement using dual frequency GPS receiver for ionosphere, i need mathematical solution of Appleton-Hartree formula fro TEC calculation.
02 February 2016 5,555 3 View
Why is it that TE10 is the only mode considered while observing output in case of waveguides or microstrip structures? Why not TE20 or TM21 et al.? Is it because the higher order modes have higher...
02 February 2016 1,803 12 View
How to create and analyze cubical tissue model, and What is meaning of SAR 10g ?
02 February 2016 3,006 8 View
Hello everyone, I am a new learn in electromagnetics. And Recently, I am confused about the surface divergence. Its formula can be seen from the attached file and it is from a book named...
02 February 2016 1,872 3 View
Other 'cost per day' for geophysical surveys such as the Spontaneous Potential, electromagnetic, G.P.R, resistivity and seismic refraction and reflection methods can also be added if anyone of you...
02 February 2016 7,953 3 View
The concentration of Cu (II) is around 400 μg/L and Silver (I) is around 40μg/L. The samples are from cooling tower blow-down waters. There is heavy literature on concentrated solutions but not on...
01 January 2016 4,358 2 View
Can anyone explain hybridized surface plasmon polaritons?
12 December 2015 2,738 5 View
For 3 degree step rotation, it requires 120 samples to compute Rad pattern in xy plane. what should be the minimum speed in RPM of the motor?
12 December 2015 3,944 6 View
can someone help me with this question? thanks
10 October 2015 1,330 0 View
I want to fabricate a metamaterial and test its application for wireless commnication (frequency 2-8GHz) , i need to know the acceptable power losses so that i can determine the suitability of my...
09 September 2015 9,369 4 View
I will do research on the model of the electromagnetic blood pump rotor on the artificial heart. due to the difference between the model of the pump rotor surrounded with liquid and that in...
09 September 2015 9,673 2 View