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The unit of permittivity of free space, ε0, is

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a
coulomb/newton-metre
b
newton-metre2/coulomb2
c
coulomb2/newton-metre2
d
coulomb2/(newton-metre)2

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detailed solution

Correct option is C

Force between two chargesF=14πε0q2r2⇒ε0=14πq2Fr2=C2/N-m2

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