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Tesla - magnetic field measurement

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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trewmte
Senior Member
 

Tesla - magnetic field measurement

Post Posted: Jul 10, 09 12:45

Important history associated Nikola Tesla and it's his Birthday today.

www.google.co.uk/searc...09&oi=ddle
www.google.co.uk/searc...ield&meta=

Magnetic field strength. Would that be the same field strength measurement used to determine the strength of magnetically recorded data on hard disc drives etc?

Discuss
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roncufley
Senior Member
 

Re: Tesla - magnetic field measurement

Post Posted: Jul 10, 09 15:26

Yes, the tesla is the SI unit of magnetic flux density and is named for Nikola Tesla. A particle carrying a charge of 1 coulomb passing through a magnetic field of 1 tesla at 1 meter per second experiences a force of 1 newton upon it. It is a bit large for normal use being equal to 10,000 gauss (the old CGS unit).
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Jonathan
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Re: Tesla - magnetic field measurement

Post Posted: Jul 10, 09 19:01

- roncufley
Yes, the tesla is the SI unit of magnetic flux density and is named for Nikola Tesla. A particle carrying a charge of 1 coulomb passing through a magnetic field of 1 tesla at 1 meter per second experiences a force of 1 newton upon it. It is a bit large for normal use being equal to 10,000 gauss (the old CGS unit).


Something to raise at my next dinner party methinks.

Wink
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indur
Senior Member
 

Re: Tesla - magnetic field measurement

Post Posted: Jul 10, 09 21:22

Useful tip: if the warning sign says "10 Tesla", step back. Actually, I'd keep backing up until you get to about 1 T.

It looks like hard drive degaussers are usually about 0.5 T.  
 
  

roncufley
Senior Member
 

Re: Tesla - magnetic field measurement

Post Posted: Jul 11, 09 03:52

- Jonathan
Something to raise at my next dinner party methinks, Wink


I must confess I don't often get invited twice (unless my host slept through most of the dinner and can't remember) Shocked
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_nik_
Senior Member
 

Re: Tesla - magnetic field measurement

Post Posted: Jul 13, 09 23:20

Even more strange is that there is a difference between the magetic flux (Weber or Maxwell) and the magnetic flux density.  
 

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