Do all bulbs we use work on the principle of heating effects of electr – InterviewSolution

1.	Do all bulbs we use work on the principle of heating effects of electric current ? Discuss.
Answer» Solution :No, FILAMENT bulbs we use work on heatingeffect of electric current . In these bulbs, in ADDITION to light,LOT unwanted heat is alsogenerated and this results in thewastage of electricity. We have different types of bulbs, known as fluoresent tubelights which work on a different principle. By using them we can reduce wastage of current. COMPACT fluorescentlamps (CFI). also reduce wastage can be fixed in the ordinary bulbs holders.

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