From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1511/CH4/EX4.20/ex4_20.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 1511/CH4/EX4.20/ex4_20.sce

(limited to '1511/CH4/EX4.20/ex4_20.sce')

diff --git a/1511/CH4/EX4.20/ex4_20.sce b/1511/CH4/EX4.20/ex4_20.sce
new file mode 100755
index 000000000..fb1e30560
--- /dev/null
+++ b/1511/CH4/EX4.20/ex4_20.sce
@@ -0,0 +1,19 @@
+// Example 4.20 page no-241
+clear
+clc
+
+vdd=30 //v
+rl=4.7 //k-ohm
+vd=20  //v
+id=(vdd-vd)/rl
+printf("\nId = %.1f mA",id)
+printf("\nfor vd to be constant, it should be within ±1V")
+del_id=1/rl
+printf("\nDelta_Id = ± %.1f mA\nId(min) = %f mA\nId(max) = %f mA" ,del_id,id-del_id,id+del_id)
+
+delv=vdd-vd
+deli=2.5 //mA
+rs=delv/(deli)
+printf("\nRs = %d K-Ohm",rs)
+
+ 
-- 
cgit