clear
//Given
n=100
I=0.1                       //A
r=0.05
B=1.5                        //T

//Calculation
//
M=n*I*%pi*r**2
W=2*M*B

//Result
printf("\n Magnitude of the coil is %0.4f  Am**2",M)
printf("\n Workdone is %0.4f  J",W)