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Thermal resistance is the resistance of a substance or material to the conduction of thermal energy, or heat. For stuff at the high end of the scale, that is, for stuff having a whole lot of thermal resistance, we might use the term thermal insulator.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoI guess that would be power (energy per unit time), i.e. Joules per second, a.k.a. Watts.
I guess that would be power (energy per unit time), i.e. Joules per second, a.k.a. Watts.
I guess that would be power (energy per unit time), i.e. Joules per second, a.k.a. Watts.
I guess that would be power (energy per unit time), i.e. Joules per second, a.k.a. Watts.
Wiki User
∙ 13y agothe unit of thermal resistance (R) is:
h x ft2 x F0
BTU
where:
h=hour
ft=feet
F=Fahrenheit
BTU=British Thermal Unit
Wiki User
∙ 14y agoI guess that would be power (energy per unit time), i.e. Joules per second, a.k.a. Watts.
Wiki User
∙ 9y agoWatts per (meter x kelvin)
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What SI unit is used to measure resistance?
The units for resistance is Ohm (Ω).The standard unit of resistance is the ohm (with a lower case 'o'), named after the German physicist Georg Simon Ohm.
Unit for a measure of resistance to a change of motion?
The inertia. This is directly related to the object's mass.
What is a unit of work in the English system?
Anyone likely to be using a unit of work in England is likely to use the metric system where the basic unit is the joule, though energy consumption is often measured in kilowatt-hours. Imperial units include the pound-foot, the British Thermal Unit and the horsepower-hour.
What are the properties of plastic?
Resistance to corrosion and chemicalsLow electrical and thermal conductivityHigh strength-to-weight ratioColors available in a wide variety and transparent.Resistance to shockGood durabilityLow costEasy of manufactureResistance to waterLow toxicity
What is a unit used to measure resistance?
The " Ohm " is. 1 ohm is the resistance across which 1 volt of EMF appears when the current through it is 1 Ampere.
Is coulomb a unit for a resistance?
No. It is the unit for electric charge. The unit for resistance is the ohm.
What is the Dimensional formula of thermal resistance?
no
What is R factor in heat insulation?
An R-value is a unit of thermal resistance for a particular material or assembly of materials (such as an insulation panel). The R-value depends on a solid material's resistance to conductive heat transfer.
What is the SI unit for an electric resistance?
The unit for resistance is the Ohm.
Which has the greater resistance thick wire or a thin of the same length?
The thermal resistance of a wire is proportional to ln(r2/r1), meaning that a thicker wire has a greater thermal resistance.
The standard unit of eletrical resistance is?
The standard measuring unit for resistance is ohm.
properties of plastic?
Strength. Weather Resistance. Fire Resistance. Durability. Dimensional Stability. Chemical Resistance. Thermal Resistance. Working Conditions.
What exactly is the definition of a british thermal unit?
A British thermal unit is a unit of energy that is equal to about 1055 joules. A British thermal unit is the amount of energy that is needed to heat or cool one pound of water by one degree Fahrenheit.
What is thermal risistance?
Thermal resistance is a measure of a material's ability to resist the flow of heat through it. It is used to quantify how well a material can insulate against heat transfer. A lower thermal resistance value indicates better thermal insulation properties.
What are some examples of items with low conductivity?
Thermal resistance: diamond Electrical resistance: copper Optical resistance: quartz
What SI unit is used to measure resistance?
The units for resistance is Ohm (Ω).The standard unit of resistance is the ohm (with a lower case 'o'), named after the German physicist Georg Simon Ohm.
Is the unit of resistance and conductance are same?
The unit of resistance is ohms, the unit of conductance (1 / resistance) is siemens. 1/R = S, or alternately R = 1/S.
