How to calculate lamp resistance and voltage for an 18W tubelight

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pd_du26rt

how to calculate lamp resistance and lamp voltage to light up a 18W tubelight?

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Redbelly98

Staff Emeritus

Science Advisor

Homework Helper

Voltage should be one of the specifications. If the only information we have is 18W, it's impossible to answer this.

negitron

Science Advisor

And what's a tubelight? Fluorescent? Incandescent?