SI electromagnetism units

See also

• SI units
• Speed of lightSpeed of light
  
  The speed of light in a vacuum is an important physical constant denoted by the letter c for constant or the Latin w...
  
• meter
• ampereAmpere Summary
  
  The ampere is the SI base unit of electric current....
  
• secondSecond
  
  The second is the name of a unit of time, and today refers to the International System of Units base unit of time....