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+// Exa 1.8
+
+clc;
+clear all;
+
+// Given data
+
+X= 100; // Range of voltmeter(V)
+x= 70; // Measured value on voltmeter(V)
+Y= 150; // Range of milliammeter
+y= 80; // Measurex  d value on milliammeter
+Accu= 0.015; // Accuracy of instruments
+
+// Solution
+
+X_mag= Accu*X; //Magnitude of limiting error for voltmeter
+Y_mag= Accu*Y; // Magnitude of limiting error for milliammeter
+x_mag= X_mag/x; // limiting error at 70V
+y_mag= Y_mag/y; // limiting error at 80mA
+
+disp("Limiting error for the power calculation is the sum of the individual limiting errors involved");
+printf(' Therefore, limiting error = %.3f percentage \n',(x_mag+y_mag)*100);
+// The answer vary due to round off error