a device that produces or is powered by electricity

an electrical device that provides a path for electrical current to flow

a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)

resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage

resistor for regulating current

a light-controlled variable resistor, applied in light-sensitive detector circuits, and light- and dark-activated switching circuits.

Manganin is a trademarked name for an alloy of typically 86% copper, 12% manganese, and 2% nickel.

an electrical device that provides a path for electrical current to flow