# Formula Symbols - J

Written by Jerry Ratzlaff on . Posted in Nomenclature & Symbols for Engineering, Mathematics, and Science

## Formula Symbols

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## J

SymbolGreek SymbolDefinitionEnglishMetricSIValue
$$Ja$$ - Jakob number dimensionless -
$$V_a$$ - job concrete mix volume $$ft^3$$ $$m^3$$ $$m^3$$ -
$$K_j$$ - Josephson constant $$\large{\frac{Hz}{V}}$$ $$\large{\frac{Hz}{V}}$$   $$483\;597.848\;40\;x\;10^{9}$$ $$\large{\frac{Hz}{V}}$$
$$\frac {2e}{h}$$ - Josephson frequency - -   -
$$\frac {2e}{h}$$ - Josephson frequency - voltage quotient constant -
$$\mu$$ mu Joule-Thomson coefficient - -   -

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