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+// To find Apparent and actual resistance 
+// Modern Electronic Instrumentation And Measurement Techniques
+// By Albert D. Helfrick, William D. Cooper
+// First Edition Second Impression, 2009
+// Dorling Kindersly Pvt. Ltd. India
+// Example 1-8 in Page 7
+
+
+clear; clc; close;
+
+// Given data
+I_T = 800*(10^-3); // Reading of the milliammeter in ampere
+V_T = 40; // Reading of the voltmeter in volt
+sensitivity = 1000; // sensitivity of voltmeter in ohm/volt
+scale = 150; // scale of the voltmeter
+
+//Calculations
+R_T = V_T / I_T; // formula to calculate total circuit resistance
+printf("(a)  The apparent circuit resistance neglecting the resistance of milliammeter, R_T = %0.2f ohm\n",R_T);
+
+R_V = sensitivity * scale; // calculating resistance of voltmeter
+R_X = (R_T * R_V)/(R_V - R_T); // effective circuit resistance due to loading effect
+printf("(b)  The actual circuit resistance with the loading effect of voltmeter, R_X = %0.2f ohm\n", R_X);
+
+percentage_error = (R_X - R_T)*100/ R_X;
+// %error = (actual-apparent)/ actual
+printf("(c)  The percentage error due to loading effect of voltmeter = %0.2f%%",percentage_error);
+
+//result
+// (a)  The apparent circuit resistance neglecting the resistance of milliammeter, R_T = 50.00 ohm
+// (b)  The actual circuit resistance with the loading effect of voltmeter, R_X = 50.02 ohm
+// (c)  The percentage error due to loading effect of voltmeter = 0.03% 
+
+
+// The result shown in the textbook is printed incorrectly and does not match with the correct result
+
diff --git a/174/CH1/EX1.8/example1_8.txt b/174/CH1/EX1.8/example1_8.txt
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+(a)  The apparent circuit resistance neglecting the resistance of milliammeter, R_T = 50.00 ohm
+(b)  The actual circuit resistance with the loading effect of voltmeter, R_X = 50.02 ohm
+(c)  The percentage error due to loading effect of voltmeter = 0.03%