everyday science MCQ #49089

A school debate pits early bulb rivals but one name dominates mass classroom stories about filaments and central-station lighting rollouts. Edison is most commonly highlighted for helping make which lighting pathway practical for homes and streets?

everyday science MCQ #49089

  1. Question 1

    Q1. A school debate pits early bulb rivals but one name dominates mass classroom stories about filaments and central-station lighting rollouts. Edison is most commonly highlighted for helping make which lighting pathway practical for homes and streets?

    • A) Carbon-filament incandescent lamp systems scaled for everyday use
    • B) Room-scale cold-cathode fluorescent tubes before vacuum pumps
    • C) Consumer LED bulbs with blue-gallium chips in 1879 household kits
    • D) Domestic CO2 laser lighting kits sold before carbon filaments

    Answer: Carbon-filament incandescent lamp systems scaled for everyday use

    Explanation: Thomas Edison developed a practical carbon-filament incandescent lamp in 1879 and, crucially, built the infrastructure — generators, distribution wiring, and metering — needed to deliver electricity to homes and streets at commercial scale. Earlier experimenters had created arc lights or short-lived filament lamps, but Edison's system made electric lighting a consumer product.