Out of 60W and 40W lamps, which one has higher electrical resistance when in use?

Asked by  | 10th Jan, 2010, 08:24: PM

Expert Answer:

The 60 W will have higher resistance, since higher power means higher temperature of the filament, higher kinetic energy of electrons, more frequently collision.

Hence higher resistance.




Answered by  | 10th Jan, 2010, 09:38: PM

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