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Why does dielectric constant decrease with an increase in temperature?
Wiki User
∙ 13y ago
If the temperature increases, the conductivity will increase too which means the dielectric constant is reduced
Wiki User
∙ 13y ago
The dielectric constant is a measure of a material's ability to store electrical energy. As temperature increases, thermal motion of molecules increases, disrupting the alignment of dipoles in the material. This disruption reduces the material's ability to polarize in response to an electric field, resulting in a lower dielectric constant.
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If the volume and number of moles of gas are held constant as the temperature increase what will the pressure do?
If the volume and number of moles of gas are constant, then according to the ideal gas law, pressure is directly proportional to temperature. As temperature increases, the pressure will also increase in order to maintain equilibrium.
When the temperature is constant gas volume will decrease as the pressure decreases is that true?
If I remember correctly it is a little more complicated than that. The general equation PV=nRT for an ideal gas is elementary knowledge. The fact is that when you increase temperature many things can happen. It depends on how you treat your system. In general if you increase temperature in an open system the pressure will remain fairly constant, but the volume will increase. If it is a closed system in which the volume is not allowed to expand the pressure will increase with increased temperature. You also have to remember chemical properties also such as phase changes. Hope that rambling mess helps lol.
What are 3 things you can do to increase electrostatic force?
Increase the charge of the objects involved. Decrease the distance between the objects. Use materials with higher dielectric constants.
What happens to a capacitance if the volume is filled with material having a dielectric constant of 5?
The capacitance will increase. When the volume is filled with a material with a dielectric constant greater than 1, the capacitance of the capacitor increases by a factor equal to the material's dielectric constant. This is because the electric field is effectively reduced within the material, allowing more charge to be stored for the same voltage.
An increase in temperature will the attenuation of a cable?
increase the attenuation of a cable, as the resistance of the cable's material increases with higher temperatures. This results in more signal loss as the signal travels through the cable. Additionally, higher temperatures may also cause the cable's dielectric material to deform, leading to increased signal attenuation.
What will happen if a gas is held at a constant temperature has a increase in pressure applied to it?
The volume of the gas will decrease. the gas will also attempt to increase in temperature.
What will happen if a gas is held at constant temperature has an increase in pressure applied to it?
The volume of the gas will decrease. the gas will also attempt to increase in temperature.
When the temperature of a gas is constant will the volume increase or decrease as the pressure decreases?
When the temperature of a gas is constant and the pressure decreases, the volume will increase. This is described by Boyle's Law, which states that at constant temperature, the pressure and volume of a gas are inversely proportional to each other.
How does the moisture and temp effect the breakdown strength solid dielectric?
Generally, increased moisture levels will lower breakdown strength, especially if the dielectric readily absorbs water. Increasing temperature generally decreases breakdown strength of solid dielectrics. The dielectric strength of some materials may increase with temperature within limited temperature ranges. However, dielectric strength eventually begins to decrease at higher temperatures.
If the temperature of a reaction increases what happens to the value of the equilibruim constant?
If the temperature of a reaction increases, the value of the equilibrium constant can either increase or decrease depending on whether the reaction is endothermic or exothermic. For an endothermic reaction, the equilibrium constant will increase with temperature, while for an exothermic reaction, the equilibrium constant will decrease with temperature.
At a constant temperature what is the impact to volume if the pressure is increased?
Volume & pressure are inversely proportionate, if temperature stays constant volume would decrease at a factor proporionate to the increase in pressure.
If the volume and number of moles of gas are held constant as the temperature increase what will the pressure do?
If the volume and number of moles of gas are constant, then according to the ideal gas law, pressure is directly proportional to temperature. As temperature increases, the pressure will also increase in order to maintain equilibrium.
Do volcanic eruption increase or decrease the temperature of the earth?
increase
Can we say mass vary with temperature for exp the mass of solid increase or decrease when temperature increase?
Mass of any chemical, in Chemistry, is always constant, no matter how much you change the conditions.
As the temperature of a fixed volume of a gas increases the pressure will?
decrease
When the temperature of a gas stays constant and you decrease the volume what do you observe?
When the temperature of a gas is constant and the volume decreases, the pressure of the gas increases. This relationship is described by Boyle's Law, which states that pressure and volume are inversely proportional when temperature is held constant.
How does temperature affect the volume of substance?
An increase in temperature will cause an increase in volume, while a decrease in temperature will cause a decrease in volume.
