Siemens Converter
Convert Siemens to Circular Mil Ohm Foot and more • 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.
Circular Mil Ohm Footcm·Ω·ft
Target UnitThe circular mil ohm foot is a derived unit of electrical resistance that quantifies the resistance of a conductor with a cross-sectional area measured in circular mils and a length in feet. Specifically, one circular mil ohm foot is defined as the resistance of a one-foot length of wire that has a cross-sectional area of one circular mil. It is particularly useful in electrical engineering for assessing the resistance of conductors used in various applications, allowing for precise calculations in circuit design and electrical systems. This unit is crucial for ensuring optimal performance and safety in electrical installations.
Current Use
The circular mil ohm foot is widely used in electrical engineering, particularly in the design and analysis of wiring systems in various applications. It is crucial in industries such as telecommunications, power generation, and electrical manufacturing, where accurate resistance calculations are essential for ensuring safety and efficiency. In the United States, the circular mil ohm foot is commonly used in the National Electrical Code (NEC) for evaluating wire sizes and their corresponding resistances in residential and commercial buildings. Additionally, this unit is integral in the automotive industry for assessing the electrical systems in vehicles, ensuring that wiring can handle the necessary current loads without excessive resistance that could lead to overheating or failures. Countries like the United States and Canada primarily use this unit, while other regions may rely on metric units, such as ohm-meters, for similar calculations.
Fun Fact
The concept of resistance in electrical circuits was first introduced by Georg Simon Ohm in the 19th century.
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= × 1.00000How to Convert
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Siemens
electric • 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.
💡 Fun Facts
- •The symbol for siemens, 'S', is a tribute to the inventor Werner von Siemens.
- •The siemens was introduced as an SI unit to standardize conductance measurements.
- •Conductance is the reciprocal of resistance, making siemens an essential unit in circuit analysis.
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🔗 Related Units
Circular Mil Ohm Foot
electric • Non-SI
Definition
The circular mil ohm foot is a derived unit of electrical resistance that quantifies the resistance of a conductor with a cross-sectional area measured in circular mils and a length in feet. Specifically, one circular mil ohm foot is defined as the resistance of a one-foot length of wire that has a cross-sectional area of one circular mil. It is particularly useful in electrical engineering for assessing the resistance of conductors used in various applications, allowing for precise calculations in circuit design and electrical systems. This unit is crucial for ensuring optimal performance and safety in electrical installations.
History & Origin
The origin of the circular mil ohm foot can be traced back to the need for standardized electrical measurements in the 20th century, particularly as the demand for electricity surged. With the growing complexity of electrical systems, there arose a necessity to have precise measurements of resistance to ensure efficient circuit designs. The combination of the circular mil, a unit of area derived from the diameter of a wire, and the ohm, a unit of resistance, became essential in accurately measuring the electrical properties of materials used in wiring. This unit provided engineers with a standardized way to calculate resistance based on wire size and length, leading to safer and more reliable electrical systems.
Etymology: The term 'circular mil' originates from the geometric shape of a mil, which is a measurement of area defined as a circle with a one mil diameter. 'Ohm' is named after the German physicist Georg Simon Ohm, who formulated Ohm's Law, and 'foot' is a unit of length in the imperial system.
Current Use
The circular mil ohm foot is widely used in electrical engineering, particularly in the design and analysis of wiring systems in various applications. It is crucial in industries such as telecommunications, power generation, and electrical manufacturing, where accurate resistance calculations are essential for ensuring safety and efficiency. In the United States, the circular mil ohm foot is commonly used in the National Electrical Code (NEC) for evaluating wire sizes and their corresponding resistances in residential and commercial buildings. Additionally, this unit is integral in the automotive industry for assessing the electrical systems in vehicles, ensuring that wiring can handle the necessary current loads without excessive resistance that could lead to overheating or failures. Countries like the United States and Canada primarily use this unit, while other regions may rely on metric units, such as ohm-meters, for similar calculations.
💡 Fun Facts
- •The concept of resistance in electrical circuits was first introduced by Georg Simon Ohm in the 19th century.
- •Copper is the most commonly used material for electrical wiring due to its excellent conductivity.
- •The circular mil is a unit specifically designed for measuring the cross-sectional area of conductors.
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🔗 Related Units
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