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What are the convection currents?
Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock. The heat transfer function of convection currents drives the earth's ocean currents, atmospheric weather and geology. Convection is different from conduction, which is a transfer of heat between substances in direct contact with each other.
What is difference between R40 and BR40 light bulbs?
R40 is a Red Heat Lamp Light Bulb BR40 is a Clear Heat Lamp Light Bulb
What is the lifespan of the average ceramic heat lamp?
The life span of the average ceramic heat lamp is 3-4 years, for the more expensive lamp probably have an additional 2 years. You can purchase these lamps with an extended warranty.
What is an example of an alabaster?
lamp bases , or figurines.
Do light bulbs fade plastic?
Light bulbs can affect plastic depending on the plastic and what type of bulb (lamp) is being used. Heat and higher frequencies of light are the two characteristics of lamps that can most affect plastic. As there are thousands of plastics and many different lamps (wattage and color temperatures), it is difficult to say if a lamp will affect plastic. To cite a single example, we often see a plastic liner in a lampshade that has changed color because of prolonged exposure to the heat and light of the lamp in the fixture.
Heating food under a heating lamp is an example of heat transfer by?
convection
What are the convection currents?
Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock. The heat transfer function of convection currents drives the earth's ocean currents, atmospheric weather and geology. Convection is different from conduction, which is a transfer of heat between substances in direct contact with each other.
Is a lava lamp an example of convection?
yes
Food being warmed by infrared light is heat transfer by?
Thermal Radiation.Radiation.There are three main types of heat transfer methods in Thermodynamics. Radiation, Convection, and Conduction. Food warmed by infrared light is heat transfer by radiation. What you feel coming from the infrared lamp is radiant heatenergy.
What are convection currents?
convectional currents in the mantle are themselves driven by the heat of the core. the heat is partly created of overlaying material. A lava lamp is a perfect example of convectional
How do you get convention in a lava lamp?
The heat of the lamp causes the fluids to heat and expand. The two materials are of different thermal properties and are immiscible.The word you seek is convection.
What heat transfer is being used when a heat lamp is heating a box?
conduction
The warmth you feel when standing beneath a heat lamp is an example of what?
Radiant heat.
French fries are placed under a heating lamp at the restaurant how will most of the heat be transferred from a lamp to the fries?
electromagnetic waves will transfer thermal energy from the lamp to the fries
French fries are placed under a heating lamp at a restaurant how will most of the heat be transferred from the lamp to the fries?
electromagnetic waves will transfer thermal energy from the lamp to the fries
What is the depented variable of a lava lamp?
The independent variable is the heat of the light bulb, the dependent variable is the heat absorbed by the wax substance (or other convective liquid) which makes the substances in the lamp move due to density convection.
What does the liquid inside of a lava lamp consist of?
It is usually wax that melts as the lamp is turned on. When it is heated, it then begins to float around with the convection current created by the heat-generating lamp, thus creating the "lava" effect.
