Definition:Siemens

Definition

The siemens is the SI unit of electrical conductance.

It is equal to the conductance of an electrical conductor that has a resistance of $1$ ohm.

Symbol

$\mathrm S$

The symbol for the siemens is $\mathrm S$.

The $\LaTeX$ code for \(\mathrm S\) is \mathrm S .

Also known as

A Siemens was originally called the mho (that is: ohm backwards), and had the symbol $\mho$.

Some practitioners prefer $\mho$ to the standard siemens symbol $\mathrm S$ as it is immediately distinguishable.

Also see

• Results about siemens can be found here.

Source of Name

This entry was named for Ernst Werner von Siemens.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): siemens
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): siemens