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

---
 3523/CH4/EX4.10.1/Ex4_1.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 3523/CH4/EX4.10.1/Ex4_1.sce

(limited to '3523/CH4/EX4.10.1/Ex4_1.sce')

diff --git a/3523/CH4/EX4.10.1/Ex4_1.sce b/3523/CH4/EX4.10.1/Ex4_1.sce
new file mode 100644
index 000000000..dbb15ecd1
--- /dev/null
+++ b/3523/CH4/EX4.10.1/Ex4_1.sce
@@ -0,0 +1,20 @@
+//Example 1// Ch 4
+clc;
+clear;
+close;
+// given data
+I1 = 2.7*10^-8;//steady state current in Amperes
+V = 10; //voltage in kV
+d1 = 0.005; //spacing between the plane electrodes in meters
+d2 = 0.01; // spacing incresed in meters
+I2 = 2.7*10^-7;//increased steady state current in amperes
+e = 1.6*10^-19;
+x = 1/(d2-d1);
+y = log(I2/I1);
+alpha = x*y;//ionization coefficient
+printf("ionization coefficient %f m^-1",alpha)
+I0 = I1*exp(-alpha*d1);//photoelctric current
+printf("photoelectric current %e A",I0)
+n0 = I0/e;
+printf("no of electrons emitted from cathode %e electrons/s",n0)
+
-- 
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