From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 2459/CH13/EX13.12/Ex13_12.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 2459/CH13/EX13.12/Ex13_12.sce

(limited to '2459/CH13/EX13.12/Ex13_12.sce')

diff --git a/2459/CH13/EX13.12/Ex13_12.sce b/2459/CH13/EX13.12/Ex13_12.sce
new file mode 100644
index 000000000..de4340b1e
--- /dev/null
+++ b/2459/CH13/EX13.12/Ex13_12.sce
@@ -0,0 +1,20 @@
+//chapter13
+//example13.12
+//page286
+
+R1=150 // kilo ohm
+R2=20 // kilo ohm
+Re=2.2 // kilo ohm
+Rc=12 // kilo ohm
+Vcc=20 // V
+Vbe=0.7 // V
+
+V2=Vcc*R2/(R1+R2) // voltage across R2
+Ve=V2-Vbe // voltage across Re
+Ie=Ve/Re
+re_dash=1d-3*25/Ie // in kilo ohm
+Av=Rc/re_dash
+
+printf("voltage gain = %.3f \n",Av)
+
+// the accurate answer is 360.642
-- 
cgit