Home Physics Units, Dimensions and Measurement Units The unit of permittivity of free space is:-
Physics Units, Dimensions and Measurement Units MCQ (Single Correct)

The unit of permittivity of free space is:-

A
Newton meter 2 /Coulomb 2
B
Coulomb/Newton meter
C
Coulomb 2 /Newton meter 2
D
Coulomb 2 / (Newton meter) 2

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Text Solution

Verified by Experts
The correct answer is:
C

Substitute the units for all the quantities involved in an expressioin written for permittivity of free space.

By coulomb's law, the electrostatic force

⇒

Substituting the units for q, and F, we obtain unit of

= C 2 / N-m 2

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