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The vacuum characterises the least possible value of Permittivity. This is commonly referred to as the Permittivity of Free Space or electric constant, which is denoted by ϵ 0 and has the value 8.85 10 -12 Farad/metre. Answer: Value of Permittivity of Free Space: The value of epsilon naught ε0 is 8.854187817 × 10⁻¹². F.m⁻¹ (In SI Unit), where the unit is farads per meter. Epsilon naught (& epsilon ;o) is the permittivity of free space that determines the electric field strength in vacuum. Learn how to calculate its value , units, dimensions and applications in physics, and the difference between absolute and relative permittivity. In every location in the cosmos, the Epsilon Naught value remains constant. Vacuum permittivity is represented by ε0, which is pronounced as either Epsilon Naught or Epsilon Zero.
