Radio Frequency by Steve Winder and Joe Carr - HTML preview

26.1 Fundamental constants

Electron charge, proton e ±1.60219× 10⁻¹⁹ C charge
Electron charge-to-mass e/m 1.7588× 10¹¹ Ckg⁻¹ ratio
Electron mass m_e 9.10956× 10⁻³¹ kg
Electron radius r_e 2.81794× 10⁻¹⁵ m
Faraday constant F 9.64867× 10⁴ C mol⁻¹
Neutron mass m_n 1.67492× 10⁻²⁷ kg
Permeability of space µ_o 4π × 10⁻⁷ Hm⁻¹
Permittivity of space ε_o 8.85419× 10⁻¹² Fm⁻¹
Planck constant h 6.6262× 10⁻³⁴ Js
Proton mass m_p 1.67251× 10⁻²⁷ kg
Velocity of light c 2.99793× 10⁸ ms⁻¹