The value of relative permittivity of air is

8.854 \times 10^{- 12} C^{2} N^{- 1} m^{- 2}

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9 \times 10^{9} C^{2} N^{- 1} m^{- 2}

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1

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8.854 \times 10^{12}

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Solution

The correct option is D $1$
The relative permittivity of a material is ratio of its (absolute) permittivity to the permittivity of vacuum. For air it is almost 1.

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