Question

What is the absolute permittivity of a material whose relative permittivity is 78.5

Answer 1

Answer:

Absolute permittivity does not depend on the value of relative permittivity. Absolute permittivity is the permittivity of free space and it is a constant value = 8.85*10-12F/m.

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Answer 2

Absolute permittivity of the material is 6.95 x 10^-10 farads per meter.

What is permittivity?

Permittivity, also known as electric constant, is a physical constant that describes the ability of a material to store electric charge in an electric field. It is denoted by the symbol ε (epsilon).

The absolute permittivity of a material is given by:

ε = εr * ε0

where εr is the relative permittivity (also known as the dielectric constant) of the material, and ε0 is the vacuum permittivity (a fundamental physical constant).

The value of ε0 is approximately 8.85 x 10^-12 F/m (farads per meter).

Therefore, if the relative permittivity of a material is 78.5, the absolute permittivity of the material is:

ε = 78.5 * 8.85 x 10^-12 F/m

ε = 6.95 x 10^-10 F/m

Therefore, absolute permittivity of the material is 6.95 x 10^-10 farads per meter.

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