건축 Architecture

Distance according to the magnitude of the magnetic field around the conductor

작성자 Uploader : atom 작성일 Upload Date: 2019-11-19변경일 Update Date: 2020-02-29조회수 View : 231

The magnitude of the magnetic field around the conductor line, through which the current I (A) flows, is inversely proportional to the distance R (m) from the conductor and can be obtained from the following equation.

B = k*I/R

B : magnitude of magnetic field (N/A·m = T = Wb/m^2)
k : proportional constant = 2*10^(-7) N/A^2
I : current in the conductor (A)
R : distance to the conductor (m)

Expressing the equatuon in the unit μT,

B = 2*10^(-7)*I/R*(10^6)
= 0.2*I/R

Thus, the distance to have a certain magnitude of magnetic field is :

R = 0.2*I/B

*** 참고문헌[References] ***

R = 0.2*I/B
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