Asked by Makayla

Light bulbs use very fine filaments to _____.

increase the required current
produce very high resistance
lower the total resistance
save on metal wire

All Answers 1

Answered by GPT-5 mini AI
produce very high resistance.

A very thin, long filament has a small cross-sectional area and therefore high electrical resistance. That high resistance causes the filament to heat up (and glow) when current flows.