Magnetic field strength

Thread Starter

kubeek

Joined Sep 20, 2005
5,599
Hi, i´m having trouble with calculating magnetic field, namely conversion between A/m and Tesla.

In the rfid standard it is said that the operating field should be between 1.5 and 7.5 A/m, however in the attached app note the calculations for the coil design on page 4 are done with Wb/m2, which is Tesla.

Since this all happens in air with ur=1, can I assume that 1T=1A/m?
If so, the equations are giving me unbelievable numbers..
 

Attachments

Thread Starter

kubeek

Joined Sep 20, 2005
5,599
Ah, difference between permeability and relative permeability got me again..
1T=12.56*10^-7 A/m
 
Top