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 --- 3554/CH14/EX14.4/Ex14_4.sce | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 3554/CH14/EX14.4/Ex14_4.sce (limited to '3554/CH14/EX14.4/Ex14_4.sce') diff --git a/3554/CH14/EX14.4/Ex14_4.sce b/3554/CH14/EX14.4/Ex14_4.sce new file mode 100644 index 000000000..f9c5fa2a4 --- /dev/null +++ b/3554/CH14/EX14.4/Ex14_4.sce @@ -0,0 +1,21 @@ +// Exa 14.4 +// Refer circuit 14.25 given on page no. 484 + +clc; +clear all; + +// Given data + +E=10;// Volts +R=50;// Unstrained gauge resistance(Ohms) +Gain=100;// Amplifier gain +Vo=1.5;// Output Voltage + +// Solution + +// Using the formula: Vo=E*(Delta_R/R)*gain + +Delta_R=Vo*R/(E*Gain);// Change in resistance + +printf('The change in resistance =%.2f Ohms\n This means that Rt1 and Rt3 decrease by 0.07 ohms \n and Rt2 and Rt4 increase by 0.07 ohms when a certain weight is placed on the scale platform\n',Delta_R); +// The answer mentioned in the textbook is incorrect as R=50 Ohms and not 100 Ohms. -- cgit