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+//Problem 40.24: Determine the strength of a uniform electric field if it is to have the same energy as that established by a magnetic field of flux density 0.8 T. Assume that the relative permeability of the magnetic field and the relative permittivity of the electric field are both unity.
+
+//initializing the variables:
+B = 0.8; // in Tesla
+A = 500E-6; // in m2
+l = 0.002; // in m
+u0 = 4*%pi*1E-7; 
+ur = 1;
+e0 = 8.85E-12;
+er = 1;
+
+//calculation:
+//energy stored in mag. field
+W = (B^2)/(2*u0)
+//electric field
+E = (2*W/(e0*er))^0.5
+
+printf("\n\n Result \n\n")
+printf("\nelectric field strength is %.2E V/m",E)
+\ No newline at end of file