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Diffstat (limited to '3554/CH14/EX14.4/Ex14_4.sce')
| -rw-r--r-- | 3554/CH14/EX14.4/Ex14_4.sce | 21 |
1 files changed, 21 insertions, 0 deletions
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.
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