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+
+//To Calculate the Work Done in Rotating the Magnet
+
+//Example 36.2
+
+clear;
+
+clc;
+
+M=1.0*10^4;//Magnetic Moment of the Bar Magnet in J/T
+
+B=4*10^-5;//Horizontal Magnetic Field in Tesla
+
+theta1=0;//Initial Angular position of the Magnet
+
+theta2=%pi/3;//Final Angular position of the Magnet
+
+W=-M*B*(cos(theta2)-cos(theta1));//Work Done in Rotating the Magnet
+
+printf("Work Done in Rotating the Magnet = %.1f J",W);