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

---
 3543/CH4/EX4.23/Ex4_23.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 3543/CH4/EX4.23/Ex4_23.sce

(limited to '3543/CH4/EX4.23/Ex4_23.sce')

diff --git a/3543/CH4/EX4.23/Ex4_23.sce b/3543/CH4/EX4.23/Ex4_23.sce
new file mode 100644
index 000000000..157821ccb
--- /dev/null
+++ b/3543/CH4/EX4.23/Ex4_23.sce
@@ -0,0 +1,18 @@
+// Example 4.23  
+// Calculation of overall external efficiency of a Laser diode
+// Page no 486
+
+clc;
+clear;
+close;
+
+//Given data
+eg=1.43;            // Bandgap energy
+v=2.5;              // Voltage applied
+nd=0.30;            // Optical efficiency of laser diode
+
+//// Overall external efficiency 
+ne=(nd*eg/v)*100;   
+
+//Display result in the command window
+printf("\n Overall external efficiency (percentage)= %0.0f .",ne);
-- 
cgit