When a current is supplied to the coil of wire, the relay closes, allowing current to pass. In reality a transistor is generally added to the circuit to provide enough power to control the relay ...
A  new technical paper titled “Accelerating OTA Circuit Design: Transistor Sizing Based on a Transformer Model and ...
As with many inventions, two people had the idea for an integrated circuit at almost the same time. Transistors had become commonplace in everything from radios to phones to computers, and now ...