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+// Exa 1.34
+
+clc;
+clear;
+
+// Given
+
+I1 = 10; // Current which produces deflection of 90 degrees
+Theta1 = 90; // In degrees
+I2 = 5; // Current for which theta is to be calculated
+
+// Solution
+
+//The deflection which produces a current of 1A when instrument is spring controlled
+// Tc  ∝ theta
+// theta  ∝ I^2
+
+theta2 = (I2/I1)^2 * Theta1 ;
+printf('The deflection which produces a current of 1A when instrument is spring controlled  is equal to = %.1f degrees \n',theta2);
+//The deflection which produces a current of 1A when instrument is gravity controlled
+// Tc  ∝ sin(theta)
+// theta  ∝ I^2
+
+theta2_gravity = asind((I2/I1)^2 *sind(Theta1)) ;
+printf(' The deflection which produces a current of 1A when instrument is gravity controlled = %.2f degrees \n',theta2_gravity);
+
+// The value of I given as 1A in problem statement is incorrect to satisfy the problem answer(correct value is 5A)