What Is This Tool?
This converter transforms electric resistance measurements from EMU of resistance (used in the electromagnetic CGS system) to Quantized Hall resistance, a standard based on quantum phenomena critical in high-precision electrical metrology.
How to Use This Tool?
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Enter the resistance value in EMU of resistance.
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Select EMU of resistance as the source unit.
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Choose Quantized Hall resistance as the target unit.
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Click convert to see the corresponding Quantized Hall resistance value.
Key Features
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Converts resistance from EMU of resistance (abohm) to Quantized Hall resistance accurately.
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Supports interpretation of historical and theoretical data in the electromagnetic CGS-EMU framework.
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Useful for applications in national metrology institutes and quantum physics research.
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Browser-based and straightforward to use.
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Facilitates bridging legacy resistance units with modern quantum standards.
Examples
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1 EMU of resistance equals 3.8740461439806e-14 Quantized Hall resistance.
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10 EMU of resistance equals 3.8740461439806e-13 Quantized Hall resistance.
Common Use Cases
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Converting resistance values reported in older CGS-EMU literature to modern quantum resistance units.
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Performing theoretical electromagnetic calculations involving classical to quantum unit transitions.
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Interpreting archival experimental data predating widespread SI unit adoption.
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Supporting metrological research where quantum Hall effect resistance standards are primary.
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Enabling precision measurements and cross-checks in electrical metrology using quantum standards.
Tips & Best Practices
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Ensure input values are correctly specified in EMU of resistance units for accurate conversion.
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Familiarize with quantum Hall physics conditions such as low temperatures and magnetic fields when applying results.
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Use the tool primarily for bridging legacy unit data with cutting-edge quantum resistance measurements.
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Verify results with precision instrumentation when applying converted values in experiments or standards.
Limitations
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The conversion factor is extremely small due to the significant scale difference between nanohm (EMU) and quantum resistance units.
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Direct practical usage requires understanding of the quantum Hall effect environment.
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Conversion applicability may be constrained by specific experimental setups and measurement contexts.
Frequently Asked Questions
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What is the EMU of resistance unit?
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EMU of resistance, also known as the abohm, is the electric resistance unit in the electromagnetic CGS system, equal to one nanohm.
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What does Quantized Hall resistance represent?
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Quantized Hall resistance is a discrete resistance observed in the quantum Hall effect, related to fundamental constants and used as a resistance standard in metrology.
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Why convert EMU of resistance to Quantized Hall resistance?
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Converting helps bridge older electromagnetic unit systems with modern quantum standards, important for interpreting legacy data and precision electrical measurements.
Key Terminology
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EMU of resistance
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The electromagnetic CGS unit of electrical resistance, equal to one nanohm, also known as the abohm.
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Quantized Hall resistance
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Discrete transverse resistance values observed in the quantum Hall effect corresponding to resistance plateaus linked to fundamental constants.
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Von Klitzing constant
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A fundamental constant defined as h/e², important in the definition of the quantized Hall resistance.