English: This conceptual picture represents a variable resistor connected in series to an ammeter (resistance-to-current converter). It is used to emulate the operation of a transistor.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
A voltage controlled variable resistor (voltage-to-resistance converter)