TheⅤalue of the permittivity of vacuum in SI system is 8.85*10-Its value in anew system of units in which : Unit of length4 metre Unit of mass Unit of time2 sec 1 2 Kg Unit of current- 2v2 amp; will be (1) 4-43× 10-1 2 (3) 1.77×10-11 (2) 2-21 10-1 2 C4X 8-85 x1 O12

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