Which Device Can Convert All Electrical Energy Into Heat?
Electric Heater is a device capable of converting Electric energy into heat energy. In an electron tube, a wire- or ribbon-shaped electric heating element is used to give heat to a cathode; the element generates heat when a current is run through it.
Electric heaters are also utilized for central residential heating and industrial material processing, such as heat pumps and electric furnaces.
Electric heating is when electrical energy is immediately converted to heat energy at a near-perfect efficiency utilizing relatively inexpensive equipment. Space heating, cooking, water heating, and industrial activities are typical applications.
A device that turns an electric current into heat is an electric heater. Every electric heater's heating element is an electrical resistor that operates on the Joule heating principle: an electric current traveling through a resistor will convert electrical energy into heat energy.
Most modern electric heating devices employ nichrome wire as the active component; the heating element on the right comprises nichrome wire surrounded by ceramic insulators.
Alternately, a heat pump can achieve over 300 percent heating efficiency, or a 3.0 Coefficient of Performance, because it requires electricity to transfer existing heat energy from the surrounding environment, predominantly air.
The heat pump employs an electric motor to power a refrigeration cycle, which absorbs heat energy from a source such as the earth or outside air (or the interior of a refrigerator) and directs it into the space to be heated (in the case of a fridge, the kitchen).
This is a considerably more efficient use of electricity than direct electric heating but requires more expensive equipment and pipes. Some heating systems are operated reverse for air conditioning, cooling the inside space while discharging much hotter air or water outside or into the ground.
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