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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3507/CH9/EX9.21 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3507/CH9/EX9.21')
| -rw-r--r-- | 3507/CH9/EX9.21/Ex9_21.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/3507/CH9/EX9.21/Ex9_21.sce b/3507/CH9/EX9.21/Ex9_21.sce new file mode 100644 index 000000000..8d4c037ef --- /dev/null +++ b/3507/CH9/EX9.21/Ex9_21.sce @@ -0,0 +1,28 @@ +//chapter9 +//example9.21 +//page171 + +Vmax=120 // V +Vmin=80 // V +Vz=50 // V +R_L=10 // kilo ohm +R1=5 // kilo ohm + +// zener diode is on for Vmax and Vmin both since they are > Vz + +// for max Iz + V_R1=Vmax-Vz + I=V_R1/R1 // current through R1 + I_L=Vz/R_L // current through load + // by Kirchoff first law I=I_L+Iz so applying it we get + Iz_max=I-I_L + +// for min Iz + V_R1_dash=Vmin-Vz + I_dash=V_R1_dash/R1// current through R1 + I_L_dash=Vz/R_L // current through load + // by Kirchoff first law I=I_L+Iz so we get + Iz_min=I_dash-I_L_dash + +printf("maximum zener current = %.3f mA \n",Iz_max) +printf("minimum zener current = %.3f mA \n",Iz_min) |