OHMIC RESISTANCES Meaning and
Definition
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Ohmic resistances, also known as linear resistors, refer to electrical components that exhibit a constant and linear relationship between voltage and current. These resistances are named after Georg Simon Ohm, a German physicist who formulated Ohm's Law, which describes this relationship. According to Ohm's Law, the current flowing through a conductor is directly proportional to the voltage applied across it, provided the temperature and other factors remain constant.
Ohmic resistances are characterized by a specific resistance value, measured in ohms (Ω), which indicates the degree to which they impede the flow of electric current. This resistance value remains constant regardless of the magnitude of the applied voltage, as long as other conditions are unchanged. In other words, when a voltage is applied to an ohmic resistance, the resulting current is directly proportional to the applied voltage.
These resistances can be found in various electronic and electrical systems, including household appliances, power supplies, circuits, and electrical wiring. They are essential for controlling the flow of current and ensuring the stability and optimal functioning of electronic devices.
Unlike non-ohmic devices, such as diodes or transistors, which do not adhere to Ohm's Law, ohmic resistances do not exhibit any nonlinear behavior. Instead, they provide a predictable and consistent relationship between voltage and current, making them fundamental elements in electrical engineering and circuit design.
Common Misspellings for OHMIC RESISTANCES
- ihmic resistances
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- ohmuc resistances
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Etymology of OHMIC RESISTANCES
The term "Ohmic resistance" is derived from the surname of the German physicist, Georg Simon Ohm (1789–1854), who formulated Ohm's law in 1827. Ohm's law relates the current flowing through a conductor to the voltage applied across it and the resistance of the conductor. The word "Ohmic" is used to describe a type of resistance that follows Ohm's law, where the current is directly proportional to the applied voltage.
