a line diagram of a light emitting diode and a battery

active ampere amps backdrop background batteries battery blue bright cable cell cells charge charged charging circuit circuitry component computer conduct conductor connect connection contact contacts current device difference diode direct electric electrical electricity electronic emit emitting energy filament flow generated graphics green heat high illustration insulate insulation isolated line lines lit low minus negative off passive peripheral plus point polarity positive poster posters potential power sign signs switch switching volt voltage volts web white wire wires