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YES IT IS. Any quantity which is ratio of two physical quantities having same unit is dimensionless. Dielectric constant is ratio of Permittivty of medium to the permittivity of free space. As Permittivity of medium and permittivity of free space both have same units(F/m ie Farad/meter) dielectric constant becomes dimensionless quantity

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dielectric constant for vacuum is 1.

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Q: What is Relative dielectric constant for vacuum?
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Is dielectric strength the same as dielectric constant?

No, these are two unrelated properties of a material.


What is dielectric constant?

A dielectric is an insulating material that does not conduct electricity and is transparent to an electromagnetic field. Dielectric materials are used to separate conducting surfaces such as the plates inside a capacitor, wires inside transformers, electric cable conductors, and elsewhere in the electric industry where electrical separation of charged elements is necessary. The dielectric constant is a ratio of the capacitance of a capacitor in which a particular insulating material is the dielectric, to the capacitance of the capacitor in which a vacuum is the dielectric.


Can the dielectric constant of carbon in water be measured?

dielectric constant is a property of a material, this question is asking the property of a two mixed together, in an undeclared ratio. But yes dielectric constants can be measured. The problem you will have is keeping a uniform mix.


How capacitor is used to check freshness of fish?

Between the two plates of a capacitor lies a medium with a specific dielectric constant. Placing a fish between these plates changes to dielectric constant. If the fish is fresh it will be strong and tight, thus possessing a higher dielectric constant. If the fish is older, it's dielectric constant, or body, will be weaker due to decay.


If the distance between the parallel plate capacitor is reduced to half and a dielectric of dielectric constant k is introduced then how does electric field varies?

From the formula, E = V/d, where V is the voltage and d is the distance, it can be seen that the electric field and the distance are inversely related. Thus, as the distance between the parallel plate capacitors is reduced to half, the electric field is increased twice. Moreover, is a dielectric constant k is introduced, the capacitance will increase. This direct relationship can be seen in the formula, C = [k(Єo)A]/d, where k is the dielectric constant. The lowest possible value of k is 1; and that is when the dielectric is a vacuum. Other dielectric constants are greater than 1, such as teflon which has a dielectric value of 2.1 As the capacitance increases, the electric field also increases. (E = 1/2(CV^2))

Related questions

What is relative permittivity if dielectric constant of water is 80.10?

'Dielectric constant' is an archaic term for relative permittivity. They are one and the same.


What is meant about di-electric constant?

The relative permittivity of a material is its dielectric permittivity expressed as a ratio relative to the permittivity of vacuum.Permittivity is a material property that expresses the force between two point charges in the material. Relative permittivity is the factor by which the electric field between the charges is decreased or increased relative to vacuum.Likewise, relative permittivity is the ratio of the capacitance of a capacitor using that material as a dielectric, compared to a similar capacitor that has vacuum as its dielectric. Relative permittivity is also commonly known as dielectric constant, a term deprecated in physics and engineering.


Is relative dielectric constant dimensionless?

Correct: it is a dimensionless number.


What is relative permitivity?

It is the element by which the electric field between the charges is diminished in respect to vacuum. In like manner, relative permittivity is the proportion of the capacitance of a capacitor utilizing that material as a dielectric, contrasted with a comparative capacitor that has vacuum as its dielectric.


How light propagates through a material is given by the ratio of the speed of light in vacuum to the speed of light in that material. What is this ratio called?

That is called the dielectric constant, also the square root of the relative permittivity.


What is dielectric constant in chemical terms?

dielectric constant


Why is the dielectric strength of vacuum infinite?

The dielectric strength of vacuum is infinite because there is no molecule in the vacuum.


What happens to a capacitance if the volume is filled with material having a dielectric constant of 5?

Compared to a vacuum (dieletric constant = 1), or air (dielectric constant is close to 1), the capacitance will be five times as great in this case (other things being equal).


What is the sodium hypochlorite dielectric constant?

dielectric constant for sodium Hypochlorite


What is dk measurement?

DK measurement is the measurement of the relative dielectric constant of liquids and solid material. It is a measure of permeability.


Dielectric constant of metal is?

The dielectric constant varies, depending on the material.


What is magnetic permeability of materials?

Relative permittivity or dielectric constant of a medium is defined as the ratio of force between two charges separated by a certain distance in air or vacuum to the force between the same charges separated by the same distance in the medium.According to American Heritage Dictionary:permittivitySYLLABICATION: per·mit·tiv·i·tyPRONUNCIATION: PERM eh TIV eh TEENOUN: Inflected forms: pl. per·mit·tiv·i·tiesA measure of the ability of a material to resist the formation of an electric field within it. Also called dielectric constant, relative permittivity.