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/CH11/EX11.13/Ex11_13.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 2459/CH11/EX11.13/Ex11_13.sce

(limited to '2459/CH11/EX11.13/Ex11_13.sce')

diff --git a/2459/CH11/EX11.13/Ex11_13.sce b/2459/CH11/EX11.13/Ex11_13.sce
new file mode 100644
index 000000000..c4de28cdd
--- /dev/null
+++ b/2459/CH11/EX11.13/Ex11_13.sce
@@ -0,0 +1,21 @@
+//chapter11
+//example11.13
+//page211
+
+Ic=1000 // micro ampere
+// when emitter circuit is open, leakage current = Icbo so
+Icbo=0.2 // micro ampere
+
+// when base is open, leakage current = Iceo so
+Iceo=20 // micro ampere
+
+//since Iceo=Icbo/(1-alpha) we get
+alpha=1-(Icbo/Iceo)
+
+// since Ic=alpha*Ie+Icbo we get
+Ie=(Ic-Icbo)/alpha
+Ib=Ie-Ic
+
+printf("alpha = %.3f \n",alpha)
+printf("emitter current = %.3f micro ampere \n",Ie)
+printf("base current = %.3f micro ampere \n",Ib)
-- 
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