L=(k*μ0*μs*N^2*S)/l
=(R/l*4π*10^-7*N^2*πR^2)/l
= (R*4π*10^-7*N^2*πR^2) / I^2 分母是I^2才对 又 l=N*2πR
= (R*4π*10^-7*N^2*πR^2) / (N*2πR)^2
= (R*4π*10^-7*N^2*πR^2 / N^2* 4π^2*R^2 消去后
= R*10^-7
答案是对的,只是计算过程中有点错,R/I/I=R/I^2分母是I^2才对
L=(k*μ0*μs*N^2*S)/l
=(R/l*4π*10^-7*N^2*πR^2)/l
= (R*4π*10^-7*N^2*πR^2) / I^2 分母是I^2才对 又 l=N*2πR
= (R*4π*10^-7*N^2*πR^2) / (N*2πR)^2
= (R*4π*10^-7*N^2*πR^2 / N^2* 4π^2*R^2 消去后
= R*10^-7
答案是对的,只是计算过程中有点错,R/I/I=R/I^2分母是I^2才对