What Is This Tool?
This converter allows you to translate electric resistance measurements from the EMU of resistance, a unit used in the electromagnetic cgs system, into reciprocal siemens [1/S], the modern SI-derived unit equivalent to ohms. It supports practical applications in electrical engineering, physics research, and historical data interpretation.
How to Use This Tool?
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Enter the resistance value in EMU of resistance (abohm).
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Select EMU of resistance as the input unit and reciprocal siemens [1/S] as the output unit.
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Click convert to obtain the equivalent resistance value in reciprocal siemens.
Key Features
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Converts resistance values from the CGS-EMU system (abohm) to the SI reciprocal siemens unit.
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Browser-based and easy to use for quick electrical resistance conversions.
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Supports applications ranging from theoretical electromagnetic calculations to engineering component specifications.
Examples
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5 EMU of resistance converts to 5 × 10⁻⁹ reciprocal siemens [1/S].
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100 EMU of resistance converts to 1 × 10⁻⁷ reciprocal siemens [1/S].
Common Use Cases
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Translating resistance values reported in older CGS–EMU literature to SI units for modern use.
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Performing theoretical electromagnetic formulations that require conversion between units.
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Analyzing historical experimental data published before SI units were widespread.
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Specifying electrical resistance in components and cables using consistent SI-based units.
Tips & Best Practices
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Always verify unit consistency when comparing converted resistance values to conductance, especially since reciprocal siemens correspond to ohms in SI.
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Handle very small numerical results carefully due to the nanohm scale of the EMU of resistance.
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Use this conversion to facilitate clearer communication and compatibility between historical data and modern measurements.
Limitations
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Converted values are extremely small and require precise handling to avoid misinterpretation.
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Reciprocal siemens equals ohms, so confusion may arise when also dealing with conductance in siemens units.
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Historical measurement uncertainties and context-specific approximations in original data may impact the accuracy of conversions.
Frequently Asked Questions
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What is the EMU of resistance unit?
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EMU of resistance, also known as abohm, is a unit in the electromagnetic cgs system equal to one nanohm.
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How does reciprocal siemens relate to ohms?
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Reciprocal siemens [1/S] is equivalent to ohms and represents electrical resistance in the SI system.
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Why convert EMU of resistance to reciprocal siemens?
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Conversion enables the use of resistance values from older CGS-EMU sources in modern calculations and engineering with standard SI units.
Key Terminology
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EMU of resistance
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An electrical resistance unit in the electromagnetic cgs system equal to one nanohm, also called abohm.
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Reciprocal siemens [1/S]
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The SI-derived unit representing electrical resistance, equivalent to ohms, defined as one volt per ampere.
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Abohm
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Another name for the EMU of resistance, a cgs electromagnetic resistance unit.