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Prateek Asked :

25-09-2021 Electromagnetic Theory

Q. In free space, which parameter will be unity?

A. Permittivity
B. Absolute permittivity
C. Relative permittivity
D. Permeability

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Dapzoi Verified
Commented on 2021-09-25 11:29:32 (IST)
Answer: C

Explanation: The relative permittivity is a constant for a particular material. It is unity for free space or air. The absolute permittivity is a constant given by 8.854 x 10^-12 C/m2.