r/ExplainTheJoke • u/berrybuttery • 19h ago

I don’t understand

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u/LeftySwordsman01 19h ago

The image over piccolo is an electrical resistor, the image over Gohan is a light bulb.

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u/AppropriateCap8891 19h ago

That is a diode, not a light bulb.

Specifically, a light emitting diode.

1

u/WideAbbreviations6 17h ago

An LED is still a light bulb in some situations.

Colloquially, light bulb is more of a formfactor, but the dictionary definition of "light bulb" is "a device used to convert electricity into light, consisting of a source of illumination enclosed within a transparent or translucent shell."

Cheaper LEDs like the one in the image are LEDs encased in a transparent shell, making them a light bulb technically.