Ampere
Practical unit of electric current
Ampere-Hour
Practical unit of quantity of electricity
Bar
Unit of atmospheric pressure in C.G.S system
Board of trade unit (B.T.U)
Unit of electric power
British Thermal
Unit of quantity of heat in F.P.S unit(B.TH.U)
Calorie
Unit of quantity of heat in C.G.C system
Candle power
Unit of illuminating power of a source of light
Centigrade
Unit of temperature in C.G.S system
Centimeter
Unit of length in C.G.S SYSTEM
Dioptre
Unit of power of a lens
Dyne
Unit of force in C.G.S system
Electron-volt
Unit of energy
Erg
Unit of work in C.G.S system
Fahrenheit
Unit of temperature in F.P.S system
Foot
Unit of length in F.P.S system
Foot-candle
Unit of intensity of illumination (=one lumen per sq. foot)
Foot-pound
Gravitational unit of work
Foot-poundal
Unit of work in F.P.S system
Gram
Unit of mass in C.G.S system
Gram-weight
Gravitational unit of force in a C.G.S system
Horse-power
Unit of power in F.PS (HP) system
Kilogram (Kg)
Unit of mass in M.K.S system (= 100 grams)
Kilowatt
Unit of electric power (=1000 watts)
Kilowatt-hour
Board of trade unit (B.T.U)
(KH)
Practical unit of electric power
Knot
Unit of speed (=nautical mile per hour)
Lambert
Unit of brightness
Light year
Unit of distance for measuring astronomical distances
Liter
Unit of volume capacity in M.K.S system
Meter
Unit of distance in M.K.S system (=1000 cms.)
Newton
Unit of work in M.K.S. system
Ohm
Practical unit of electric resistance
Pound (lb.)
Unit of mass in F.P.S system
Poundal
Unit of force in F.P.S system
Pound-weight
Gravitation unit of force in F.P.S system
Volt
Practical unit of electric potential and electro motile force of cell
Watt
Unit of power in C.G.S system
X-unit (X.U.)
Unit of length in expressing X-ray waves –lengths
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