Determine the total energy stored in a spherical region 1 cm in radius, centered at the origin in free space. in the uniform field:
a) H1 = -600 x + A/m
b) H2 = 600 x +12OO y A/m
c) H3 = -600 x + 12OO y A/m
d) H4 = H2+ H3
e) 1000 x A/m+O.OO1 x T