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planck999
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Whenever I touch to a doorknob or any other metallic object I get electrically shocked. Does this occur because of temperature difference between me and the metal? Is it similar to seebeck effect?
The Seebeck effect is a phenomenon in which a temperature difference between two dissimilar conductors or semiconductors creates an electric potential. This effect was discovered by physicist Thomas Seebeck in 1821.
The Seebeck effect occurs when there is a temperature difference between two conductors or semiconductors, causing a flow of electrons from the hot side to the cold side. This creates an electric potential, which can be measured as a voltage.
The Seebeck effect is commonly used in thermocouples, which are devices that convert temperature differences into electrical signals. They are used for temperature measurement in various industries, such as manufacturing, automotive, and aerospace.
Yes, the Seebeck effect is reversible. This means that if an electric current is passed through a thermocouple, a temperature difference can be created between the two ends. This is known as the Peltier effect and is used in thermoelectric cooling devices.
While the Seebeck effect itself is not harmful, precautions should be taken when working with high temperatures and electricity. It is important to use proper protective gear and follow safety protocols when conducting experiments or working with devices that utilize the Seebeck effect.