vfFkZax dUMDVj dh lkbt

Hkkjrh; ekud 3043&1987 ds vuqlkj vfFkZax dUMDVj dh lkbt uhps fn;s lw= ls Kkr dh tkuk gS% &

I/S= k( 1/√t)
mi;qZDr lw= esa% &
S= Økl lsD'kuy ,fj;k oxZ fe-eh-
I= QkYV djaV ,Eihvj
t= czsdj dk vkWijsfVax Vkbe
k= ;g QsDVj dUMDVj ds eVsfj;y] bUL;wys'ku] rFkk izkjafEHkd o vafre rkiØe ij fuHkZj djrk gS A
k= √[{Qc(B+ 20)÷δ20}Ln{ 1+(θfi)÷(B+θi)}
kcopper= 226×√[Ln{ 1+(θfi)÷(B+θi)}
kalumi= 148×√[Ln{ 1+(θfi)÷(B+θi)}
kLead= 42×√[Ln{ 1+(θfi)÷(B+θi)}
ksteel= 78×√[Ln{ 1+(θfi)÷(B+θi)}
Qc= dUMDVj eVsfj;y dh okWY;wesfVz~d ghV dsiSflfV twYl izfr fMxzh ls-xzs-D;wfcd fe-eh-
δ20= dUMDVj eVsfj;y dh bysfDVz~dy jftfLVfoVh 20 fMxzh ls-xzs- ij
B= dUMDVj dk VsEizspj dks&bfQf'k;UV dk jsflizksdy~ 'kwU; fMxzh ls-xzs-ij
θf= dUMDVj dk vafre rkidze
θi= dUMDVj dk izkjafEHkd rkidze

eVsfjy;y ds xq.kksa dh tkudkjh uhps nh tk jgh gS% &

eVsfj;y B(°C) Qc(J/°Cmm3) δ20(Ωmm)
dkWij 234.5 3.45× 10-3 17.241× 10-6
,Y;wfefu;e 228 2.5× 10-3 28.264× 10-6
ysM 230 1.45× 10-3 214× 10-6
LVhy 202 3.8× 10-3 138× 10-6

       vfFkZax dUMDVj dh lkbt fudkyus esa dfBukbZ vkus ij d`i;k uhps fn, E-mail ID ij laidZ djus dk vuqjks/k gS A

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