Save guides, add subjects and pick up where you left off with your BBC account. This is called a series circuit. There will usually be other things joined in the circuit which electricity will ...

Several decades ago, as signal-conditioning circuits and their A/D and D/A converters greatly reduced their power needs, it became practical to operate that circuitry from the few mA of available ...

Researchers at the University of Pennsylvania unveiled the world's first solar-powered circuit in a January edition of ACS Nano. The technology shows particular promise for touchscreen devices ...