Siemens Converter
Convert Siemens to Abohm and more ā¢ 68 conversions
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Unit Explanations
SiemensS
Source UnitThe siemens (symbol: S) is the SI unit of electrical conductance, defined as the reciprocal of resistance in ohms. One siemens is equivalent to one ampere per volt, which can be expressed as S = A/V. This unit is used to measure how easily electricity can flow through a material or circuit. The siemens is a derived unit, belonging to the International System of Units (SI), and was adopted in 1960 during the 11th General Conference on Weights and Measures. It is named after the German inventor and electrical engineer Werner von Siemens, who made significant contributions to the development of electrical engineering.
Current Use
Today, the siemens is widely utilized across various industries for measuring electrical conductance. It is an essential unit in electrical engineering, especially in the design and analysis of circuits. The telecommunications industry employs siemens to assess the conductance of transmission lines and cables, ensuring efficient signal transmission. In the field of electronics, components such as resistors, capacitors, and inductors are evaluated using siemens to determine their behavior in circuits. Furthermore, in the realm of materials science, researchers use this unit to characterize the electrical properties of materials, aiding in the development of conductive materials for various applications. Countries worldwide, including the USA, Germany, and Japan, utilize the siemens in both educational and professional settings, reinforcing its importance in global electrical engineering practices.
Fun Fact
The symbol for siemens, 'S', is a tribute to the inventor Werner von Siemens.
AbohmabĪ©
Target UnitThe abohm is a unit of electrical resistance in the electromagnetic system of units defined in the centimeter-gram-second (CGS) system. Specifically, it is defined as the resistance through which an electromotive force of one abvolt will cause a current of one abampere to flow. Thus, 1 abohm equals 10^-9 ohms. The abohm is primarily used in contexts where CGS units are prevalent, such as in certain scientific fields and some engineering applications. As a smaller unit of resistance, it is particularly useful for expressing very low resistances, which are common in superconductors and various sensitive electronic components. The abohm is part of the broader electromagnetic system of units, where the relations between electric and magnetic phenomena are described in CGS units.
Current Use
The abohm is primarily used in certain specialized fields of physics and electrical engineering, particularly in contexts where the CGS unit system is still in use. While most modern applications have transitioned to SI units, the abohm can still be encountered in research related to superconductivity, where extremely low resistances are prevalent. Laboratories that conduct experiments in electromagnetism may also utilize the abohm for calculations that require precision in low-resistance measurements. Countries such as the United States and Germany, which have strong research communities in physics and engineering, may still reference the abohm in academic publications or technical papers. The continued existence of the abohm serves to bridge the gap between historical measurement practices and contemporary standards.
Fun Fact
The abohm is named after Georg Simon Ohm, who is famous for formulating Ohm's Law.
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Siemens
electric ā¢ SI Unit
Definition
The siemens (symbol: S) is the SI unit of electrical conductance, defined as the reciprocal of resistance in ohms. One siemens is equivalent to one ampere per volt, which can be expressed as S = A/V. This unit is used to measure how easily electricity can flow through a material or circuit. The siemens is a derived unit, belonging to the International System of Units (SI), and was adopted in 1960 during the 11th General Conference on Weights and Measures. It is named after the German inventor and electrical engineer Werner von Siemens, who made significant contributions to the development of electrical engineering.
History & Origin
The concept of electrical conductance dates back to the early experiments with electricity, particularly in the 19th century. The formal definition and measurement of conductance emerged as researchers like Georg Simon Ohm established the relationship between voltage, current, and resistance. Ohm's Law (V = IR) laid the groundwork for understanding electrical circuits. The need for a standardized unit came as electrical systems became more complex, and the importance of conductance in circuit design and analysis increased. The siemens was introduced as a unit of conductance to formalize this aspect of electrical engineering.
Etymology: The term 'siemens' is derived from the name of Werner von Siemens, a prominent figure in the field of electrical engineering, reflecting his significant contributions to the development of electrical systems and technology.
Current Use
Today, the siemens is widely utilized across various industries for measuring electrical conductance. It is an essential unit in electrical engineering, especially in the design and analysis of circuits. The telecommunications industry employs siemens to assess the conductance of transmission lines and cables, ensuring efficient signal transmission. In the field of electronics, components such as resistors, capacitors, and inductors are evaluated using siemens to determine their behavior in circuits. Furthermore, in the realm of materials science, researchers use this unit to characterize the electrical properties of materials, aiding in the development of conductive materials for various applications. Countries worldwide, including the USA, Germany, and Japan, utilize the siemens in both educational and professional settings, reinforcing its importance in global electrical engineering practices.
š” Fun Facts
- ā¢The symbol for siemens, 'S', is a tribute to the inventor Werner von Siemens.
- ā¢The siemens was introduced as an SI unit to standardize conductance measurements.
- ā¢Conductance is the reciprocal of resistance, making siemens an essential unit in circuit analysis.
š Real-World Examples
š Related Units
Abohm
electric ā¢ Non-SI
Definition
The abohm is a unit of electrical resistance in the electromagnetic system of units defined in the centimeter-gram-second (CGS) system. Specifically, it is defined as the resistance through which an electromotive force of one abvolt will cause a current of one abampere to flow. Thus, 1 abohm equals 10^-9 ohms. The abohm is primarily used in contexts where CGS units are prevalent, such as in certain scientific fields and some engineering applications. As a smaller unit of resistance, it is particularly useful for expressing very low resistances, which are common in superconductors and various sensitive electronic components. The abohm is part of the broader electromagnetic system of units, where the relations between electric and magnetic phenomena are described in CGS units.
History & Origin
The abohm originated as part of the centimeter-gram-second (CGS) system, which was developed in the 19th century as a natural progression from earlier measurement systems. The CGS system was widely adopted in scientific research and engineering, particularly in fields related to electromagnetism. With the establishment of the International System of Units (SI) in the mid-20th century, the CGS system began to be phased out, with the ohm becoming the standard unit of resistance. However, the abohm continues to be referenced in specific contexts, particularly in physics and engineering involving low resistance measurements.
Etymology: The term 'abohm' combines the prefix 'a-' from the CGS system, indicating 'absolute' or 'electromagnetic', and 'ohm', named after the German physicist Georg Simon Ohm, who formulated Ohm's Law.
Current Use
The abohm is primarily used in certain specialized fields of physics and electrical engineering, particularly in contexts where the CGS unit system is still in use. While most modern applications have transitioned to SI units, the abohm can still be encountered in research related to superconductivity, where extremely low resistances are prevalent. Laboratories that conduct experiments in electromagnetism may also utilize the abohm for calculations that require precision in low-resistance measurements. Countries such as the United States and Germany, which have strong research communities in physics and engineering, may still reference the abohm in academic publications or technical papers. The continued existence of the abohm serves to bridge the gap between historical measurement practices and contemporary standards.
š” Fun Facts
- ā¢The abohm is named after Georg Simon Ohm, who is famous for formulating Ohm's Law.
- ā¢One abohm is equivalent to one billionth of an ohm, highlighting its use for extremely low resistance.
- ā¢The CGS system, which includes the abohm, was widely used before the adoption of the SI system.
š Real-World Examples
š Related Units
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