SI unit of permittivity of free space is
Correct answer: D. N-1 m-2C²
- A. Nm2C2
- B. N-1 mC²
- C. NmC¹
- D. N-1 m-2C²
Explanation
Electrical force is given by F=q1q2/(4 πϵo r2)So, ϵo = q1q2/(4 πF r2).Here, q1 and q2 are charges, r is the distance between then and ϵo is permittivity of free spaceWhen, put the units for these, the unit of becomes ϵo N-1 m-2C2
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