[SI-LIST] Re: Very Basic question

  • From: "Abdulrahman Rafiq" <arafi001@xxxxxxx>
  • To: <chandaharitha@xxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
  • Date: Tue, 7 Oct 2003 17:12:22 -0700

Harith,

The constant k in the Biot-Savart law depends in magnitude and dimension on
the system of units used. For a detailed discussion see "Classical
Electrodynamics", by John David Jackson, 2nd Edition, P.176 and Apendix on
units and dimensions.

Hope this helps

A Rafiq



-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Haritha Chanda
Sent: Tuesday, October 07, 2003 11:09 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Very Basic question


Hi

In Biot Savarts Law

we say dH(at a point) is proportional to I*dl*Sin(angle) and inversely
proportional to square of the distance from that point to the conductor

Then finally we have constant of proportionality k= 1/4*pi  , my question is
how did they come up with this value for k?

Thanks
Haritha


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