Every electric heater (by law) must state the etimated cost to run for a year. The question is hard to answer because this depends on the size of the home, and rather or not you have tall ceilings. Your utility company may be able to provide an estimate based on past billings for a similar home. In Arizona, we find heating/gas and air conditioning/gas averages $200/month.
the element has a open in it !
Heating effect of electric current.
An electronic underfloor heating is not a fire hazard and is is completely safe. It is also UL certified
How is the central heating model not like an electric circuit?
Can heat energy be converted to light energy and how?
Electric heating is widely used; evidently it is feasible.
Depends on what appliance it is. For stoves, you save more yearly using an electric but for dryers you save more on cost per load by using gas. I think gas is/was cheaper to power appliances and heating but with the recent rise of gas prices� I think that trend is slowly reversing appliance by appliance. Electric heating has surpassed gas and is now cheaper
what is the first test that should be made on a heating electric appliance
The main benefits of electric heating over gas are 1) the ability to control the temperature, which will save you money, and 2) electric heating is safer than gas.
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Heating device or heating element.
While electric floor heating systems are great for heating, they generally fair poorly in cooling. Additionally, many contractors may not be familiar with an electric floor heating system setup.
Joule showed the heating effect due to the resistence of wire which cary the current.
Wikipedia have information on electric heating systems including the types of heating systems that are available. One can also find information on 'Which' including the costs and advantages of these heating systems.
An electric iron has a heating element that offers electrical resistance. The resistance causes friction to occur in the electrons and causes a heating effect.
Disadvantages of the heating effect of electric currents are: short circuits, house fires, and explosions. Advantages of the heating effect of electric currents are: electric light, toasting food, and keeping a room warm.
it is an electric heater