건축 Architecture

Magnitude of magnetic fields around the conductive line

작성자 Uploader : atom 작성일 Upload Date: 2019-10-01변경일 Update Date: 2020-02-28조회수 View : 110

The magnitude of the magnetic field around the conductive line, of which the current flow is I (A), is inversely proportional to the distance R (m) from the conductive line and, it can be obtained as follows.

B = k*I/R

B : magnitude of magnetic field (N/A·m = T = Wb/m^2)
k : proportional coefficient = 2*10^(-7) N/A^2
I : current flowing in the conductive line (A)
R : distance from the conductive line (m)

Expressing the result in the unit of μT,

B = 2*10^(-7)*I/R*(10^6)

= 0.2*I/R

*** 참고문헌[References] ***

B = 0.2*I/R
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