The unit of permittivity of free space ( _0 ) is

Physics · Class 12 · CBSE — Electric Charges and Fields

1. C N^-1 m^-1
2. N m² C^-2
3. C² N^-1 m^-2
4. C² N^-2 m^-2

Answer

(C) C 2 N -1 m -2

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