alleryStart learning →The permittivity of free space has the value
A8.85 x 10^-12 C^2 N^-1 m^-2
B6.67 x 10^-11 C^2 N^-1 m^-2
C9 x 10^9 C^2 N^-1 m^-2
D1.6 x 10^-19 C^2 N^-1 m^-2
Answer & Solution
Correct answer: A. 8.85 x 10^-12 C^2 N^-1 m^-2
Epsilon-zero is 8.85 x 10^-12 C^2 N^-1 m^-2, and 1/(4 pi epsilon-zero) gives the 9 x 10^9 constant.
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