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Why Do Lamps Burn Out?

Published 14.11.2010 Presenter Evgenij Glazkov

Why Do Lamps Burn Out?

When you buy an electronic tube or lighting lamp, it will work smoothly for some time. However, it will burn out sooner or later though there are no changes in operating conditions – one and the same voltage is always applied.
What is reason for such failure? Why one and the same current is ok at the beginning of operation but it damages the filament later ...