Rheostat. an electric device for controlling and limiting current or voltage in an electric circuit. The principal component of a rheostat is a conducting element with variable resistance.The magnitude of this resistance may be varied smoothly or in discrete steps.heostat. an electric device for controlling and limiting current or voltage in an electric circuit. The principal component of a rheostat is a conducting element with variable resistance. The magnitude of this resistance may be varied smoothly or in discrete steps.
troy ounce: $992.00: $990.00: Rhodium : Rh : troy ounce: $1860.00: $1860.00: Iridium : Ir : troy ounce: $990.00: $990.00: Ruthenium : Ru : troy ounce: $200.00: $200.00: Osmium : Os : troy ounce : $400.00: Rhenium : Re : pound : $1290.00: Gold : Au : troy ounce : $1323.90: Silver : Ag : troy ounce : $16.450 : Last update:
Troy ounce (abbreviated t oz) is a mass unit of troy weight system, is commonly used in measuring silver and other precious metals. 1 troy ounce is equal to 31.1034768 grams, or 1/12 per troy pound. In fact, the London silver fixing prices are fixed based on the unit of troy ounce; therefore, the silver prices of this website use the unit of troy ounce. Ounce - a mass unit, not for silver The avoirdupois ounce is commonly used as a unit of mass in the United States.