diff options
Diffstat (limited to '2549/CH2/EX2.8.2/Ex2_8_2.sce')
| -rw-r--r-- | 2549/CH2/EX2.8.2/Ex2_8_2.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/2549/CH2/EX2.8.2/Ex2_8_2.sce b/2549/CH2/EX2.8.2/Ex2_8_2.sce new file mode 100644 index 000000000..d1ddd960f --- /dev/null +++ b/2549/CH2/EX2.8.2/Ex2_8_2.sce @@ -0,0 +1,15 @@ +//Ex2.8.2
+//dynamic forward resistance r=?
+
+clc;
+clear;
+Io=0;// negligible
+I=1*10^-3;//dc current
+//at room temperature
+T=27;//temp in celsius
+T=T+273;//temp in kelvin
+n=2;//n is emission coefficient for Si
+k=8.62*10^-5;// boltzmann's constant
+Vt=T*k;//voltage equivalent at given T
+R=n*Vt/(I+Io);// exp for dynamic resistance of diode
+disp( 'ohm',R,'forward dynamic resistance is :')
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