V/m
V2/m
m/V
m/V2
Answer is Wrong!
Answer is Right!
The correct answer is A. V/m.
Dielectric strength is a measure of the ability of an insulator to withstand an electric field without breaking down. It is usually expressed in volts per meter (V/m).
Option B, V2/m, is not a valid unit of measurement.
Option C, m/V, is the unit of resistivity.
Option D, m/V2, is the unit of conductivity.