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प्रश्न
What is meant by electrostatic energy density?
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उत्तर
The energy stored per unit volume of space is defined electrostatic energy density.
`"U"_"E" = "U"/"Volume" = 1/2 ε_0 "E"^2`
where,
- U – electrostatic potential energy
- E – electric field
- £0 – permittivity of free space
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