An electric circuit consists of conductive components, or devices that connect a power source – such as a battery or mains power supply – to a load, or devices that consume electrical energy. Current ...

A parallel circuit is one of the fundamental electrical circuits wherein various components, such as resistors, are arranged with their heads connected together, and their tails connected together.

The op amp-based current sensing circuit described here is not new, it has been around for some time, but with very little discussion of the circuit itself. Somewhere along the line it was informally ...