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25-09-2021 Electromagnetic Theory

Q. Which parameter is unity in air medium?

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


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Dapzoi Verified
Commented on 2021-09-25 11:29:59 (IST)
Answer: C

Explanation: In free space or air medium, the relative permeability is also unity, like relative permittivity. The absolute permeability is given by 4π x 10^-7 units.