Alexander.

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visits member for 2 years, 2 months
seen May 6 '12 at 21:00

May
5
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
@Pygmalion Thank you, late night rampages for knowledge leave me to miss things and come to conclusions. That makes a lot more sense to me. Maybe if I look at the magnetic flux density of radio waves, and things other non-static than power lines and look at the kW/m^2 figures it will look more realistic and fitting.
May
5
awarded  Scholar
May
5
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
I accept this as field intensity fits, cannot prove or determine if my calculations are valid however in my edited question, but certainly this would be the right way to go about it.
May
5
accepted $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
May
5
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
@Pygmalion my examples were well below examples in safety recommendations for exposure (or existing readings) for power lines yet resolve to kW/m^2 ,5mT from a microwave does not tell me what power is involved. A fridge magnet can generate 5mT. Maybe it is different, as a magnet is creating a static field, the EM field moves, but that is very vague in what harm it can do or what power can be derived from those fields that are alternating polarity in the air. I think I have ran in to a wall in the usefulness of using Teslas.
May
5
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
Still widely unsure of the results I've written. I can't imagine ever presenting this to someone, or keeping those general numbers in mind for later reference. Unless someone can guide me in what exactly is wrong (or right), why those numbers differ, and tell me if it is at all possible to get Watts from Teslas, they're not useful to me.
May
5
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
@Pygmalion, great for comparing, but I may as well just be comparing 2kW/m^2 of radiation over 300 metres to a fridge magnet (which has a more powerful B field for size), Teslas by themselves seems not very useful for energy or safety, wonder why all sorts of "EMF detectors" are advertised for safety or detection or leakage, when magnetic radiation could mean anything. 10000T might mean nothing, 10000W does. Grr, maybe I'll have to ditch EMF reading, not listen to people complaining about uT's bombarding their house, and come up with my own Watts. :)
May
5
revised $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
update
May
5
revised $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
update
May
4
revised $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
my work and conversion attempts so far.
May
4
awarded  Editor
May
4
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
Updated question with my attempts.. hopefully someone will stumble upon them.
May
4
revised $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
my work and conversion attempts so far.
May
4
comment $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)
I can derive E from B (apparently, as $B_0 = \frac{1}{c}E_0$) to use in the ExB formula with same results, S = ~2.9 billion. Wiki says B can be "magnetic flux density" which is Teslas, so I am unsure why this result is so high. This could help me with future formulas if I figure what is wrong here.
May
4
asked $\mu$T in to $\frac{W}{m^2}$ (for interpreting EMF readings)