state the characteristics which mostly produced by the heating element
Answers
Many heating equipment’s or appliances such as electric furnace, electric oven, electric heaters etc. utilizes the electrical energy to produce the heat. In these equipment’s or appliance heating element is used to convert the electrical energy in the form of heat. The working of heating elements is based on heating effect of electric current. When a current is passed through a resistance, it produces the heat.
High melting point.
Free from oxidation in open atmosphere.
High tensile strength.
Sufficient ductility to draw the metal or alloy in the form of wire.
High resistivity.
Low temperature coefficient of resistance.
Following material are used for manufacturing heating element-
Nichrome
Kanthal
Cupronickel
Platinum
A heating element converts electrical energy into heat through the process of Joule heating. Electric current passing through the element encounters resistance, resulting in heating of the element. Unlike the Peltier effect, this process is independent of the direction of current flow..
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