[单选题]
05.36:When one compute the square root of the ratio of the permeability of free space to the
permittivity of free space, one obtains $\sqrt{\frac{\mu_0}{\varepsilon_0}}$= 377. What is the unit of this quantity?
A. Farads
B. Joules
C. Volts
D. Meters per second
E. Ohms
