> 160 URLs WELCOME --HOME > 90 Subjects

The-Amplifier Page

Controlling Current

Switch controls the Current to the Lamp: No Gain. A small amount of current to the Relay controls a Larger amount of Current to the Lamp: Gain. The Rheostat controls a Varying Current to the Lamp: No Gain.   A small amount of varying current to the Transistor controls a Larger amount of Current to the Lamp: Gain.