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

---
 2492/CH4/EX4.21/ex4_21.sce | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 2492/CH4/EX4.21/ex4_21.sce

(limited to '2492/CH4/EX4.21')

diff --git a/2492/CH4/EX4.21/ex4_21.sce b/2492/CH4/EX4.21/ex4_21.sce
new file mode 100755
index 000000000..f42b4e7c7
--- /dev/null
+++ b/2492/CH4/EX4.21/ex4_21.sce
@@ -0,0 +1,22 @@
+// Exa 4.21
+format('v',7)
+clc;
+clear;
+close;
+// Given data
+beta_dc = 90;
+// The base current,
+I_C = 15;// in mA
+I_C = I_C * 10^-3;// in A
+I_B = I_C/beta_dc;// in A
+I_B=I_B*10^6;// in µA
+disp(I_B,"The base current in µA is");
+I_B=I_B*10^-6;// in A
+// The emitter current,
+I_E = I_C + I_B;// in A
+I_E = I_E * 10^3;// in mA
+disp(I_E,"The Emitter current in mA is");
+alpha_dc = beta_dc/(1+beta_dc);
+disp(alpha_dc,"The value of alpha_dc is");
+
+// Note: There is printing mistake in the book in this example.
-- 
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