3769/CH2/EX2.12/Ex2_12.sce


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clear
//Given
q=20*10**-6
a=10**-2
m=9*10**9
r=0.1

//Calculation
p=q*a
E=m*2*p/r**3

//Result
printf("\n Electric field intensity is  %0.3f  *10**5  N/C", E*10**-5)