40 W Frosted Incandescent Bulb

Grapefruit-sized incandescent frosted bulb prominently marked 40 watts.

Details

9B60 - Light Sources

1 unit available to reserve

Instances

G2B20A - Demo West (Duane Physics)

Good - Normal Wear

Used in these demonstrations

Four globe-style incandescent bulbs labeled 100W, 60W, 60W, and 40W in ceramic sockets on clear acrylic bases, wired in series and powered on; brightness increases from left to right with the 40W bulb glowing brightest

Power in Series

Four incandescent bulbs of different wattage ratings are wired in series. Students predict which will be brightest, then discover the 40W bulb outshines the 100W bulb — because in a …

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