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Discussion in 'Electronic Design' started by Matt, Feb 8, 2007.

Feb 8, 2007 #1

Matt Guest

What is the amplitude of an average CRTs Deguass in A/m?
Feb 8, 2007 #2

Richard Henry Guest

What is the amplitude of an average CRTs Deguass in A/m?
Click to expand...

I'm guessing A is Amperes. What's m?
Feb 8, 2007 #3

Bob Eld Guest

Richard Henry said:

I'm guessing A is Amperes. What's m?
Click to expand...

"m" is meters. H, the magnetic field intensity in mks units is Amps per
Meter, A/m.

H = 4*PI* N*I/(10*l) Where N is the number of current paths or turns, I is
the current and l is the magnetic path length.
Feb 8, 2007 #4

Terry Given Guest

Bob said:

"m" is meters. H, the magnetic field intensity in mks units is Amps per
Meter, A/m.

H = 4*PI* N*I/(10*l) Where N is the number of current paths or turns, I is
the current and l is the magnetic path length.
Click to expand...

only in antique units, giving H in Oe from l in cm IIRC.

for sensible units (MKS) H [A/m] = N*I[A]/l[m]

Cheers
Terry

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