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Power Vacuum Tubes Handbook, 3rd Edition by Jerry Whitaker

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Appendix: Mathematics, Symbols, and Physical Constants

Table A.1 Standard Units

Name

Symbol

Quantity

Ampere

A

Electric current

Ampere per meter

A/m

Magnetic field strength

Ampere per square meter

A/m2

Current density

Becquerel

Bq

Activity (of a radionuclide)

Candela

Cd

Luminous intensity

Coulomb

C

Electric charge

Coulomb per kilogram

C/kg

Exposure (x- and gamma-rays)

Coulomb per square meter

C/m2

Electric flux density

Cubic meter

m3

Volume

Cubic meter per kilogram

m3/kg

Specific volume

Degree Celsius

°C

Celsius temperature

Farad

F

Capacitance

Farad per meter

F/m

Permittivity

Henry

H

Inductance

Henry per meter

H/m

Permeability

Hertz

Hz

Frequency

Joule

J

Energy, work, and quantity of heat

Joule per cubic meter

J/m3

Energy density ...

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