What Is This Tool?
This converter allows you to convert electric charge values between ESU of charge and franklin [Fr], units used within the electrostatic CGS system. It supports calculations in theoretical physics and historical contexts where these units appear.
How to Use This Tool?
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Enter the electric charge value in ESU of charge
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Select ESU of charge as the input unit and franklin [Fr] as the output unit
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Click the convert button to see the equivalent value in franklin
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Use the result for calculations or comparisons in theoretical or historical contexts
Key Features
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Converts ESU of charge to franklin [Fr] with a direct 1:1 equivalence
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Browser-based and easy to use with no installation required
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Suitable for physics, astrophysics, and plasma physics calculations
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Maintains consistency in Gaussian CGS unit-based research and literature
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Provides accurate conversions within the CGS electrostatic unit system
Examples
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5 ESU of charge equals 5 franklin [Fr]
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0.1 ESU of charge equals 0.1 franklin [Fr]
Common Use Cases
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Converting charge values in theoretical electrodynamics using Gaussian CGS units
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Interpreting older scientific literature reporting charge in CGS or esu units
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Carrying out plasma physics and astrophysics calculations employing Gaussian unit conventions
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Ensuring unit consistency in equations involving electrostatic charges within CGS systems
Tips & Best Practices
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Always verify that related quantities use consistent CGS or SI units to avoid errors
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Use this conversion to maintain compatibility when working with classical and historical electromagnetism literature
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Refer to this tool when handling charge values reported in esu or cgs-ESU units to simplify calculations
Limitations
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Both ESU of charge and franklin are mostly obsolete for modern practical use, which prefers SI units
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Ensure that all related measurements in your calculations correspond to the electrostatic CGS system to prevent unit mismatches
Frequently Asked Questions
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What is the difference between ESU of charge and franklin?
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There is no difference; ESU of charge and franklin [Fr] represent the same electrostatic charge unit within the CGS system.
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Why would I convert from ESU of charge to franklin?
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Converting helps maintain consistency when working with theoretical or historical physics literature that uses Gaussian CGS units.
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Can I use ESU of charge and franklin in modern electrical calculations?
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These units are largely outdated and replaced by SI units in modern applications, but they remain useful for classical and historical contexts.
Key Terminology
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ESU of charge
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An electrostatic unit of electric charge in the CGS system, also called statcoulomb, defined such that two equal charges of 1 esu separated by 1 cm exert a force of 1 dyne.
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Franklin [Fr]
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Also called statcoulomb (esu), it is the electrostatic unit of charge in the cgs-ESU system equal to the ESU of charge.
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CGS System
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A unit system based on centimeter, gram, and second used mainly in historical and theoretical physics contexts.