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Updated over 9 years ago on . Most recent reply

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Glenn McCrorey
  • Investor
  • Cedar Rapids, IA
407
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494
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exploding light bulb issue

Glenn McCrorey
  • Investor
  • Cedar Rapids, IA
Posted

So a renter said a light bulb in a chandelier exploded and caught on fire (I'm sure this is an exaggeration) so I did some research on the internet and sent her an email saying it's no big deal with the following explanation which I think cleared it up pretty well:

The reason is simple. Just before they burn out, incandescent bulbs get a surge of current as the tungsten filament loses its resistance just prior to burning away. That surge raises the energy going across the filament as E = IV > iV = e where I > i is the surge in current, V is the voltage across the filament. So E > e and that surge in energy converts immediately into heat energy E = Q which stresses the glass in the bulb so it pops.

Most Popular Reply

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Richard C.
  • Bedford, NH
1,614
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Richard C.
  • Bedford, NH
Replied

It's also crap.  Light bulbs, as we all know, do not typically explode.

Having received a message from a tenant about a possible fire hazard, the landlord's response should be:

1.  Take a drive over, assess the situation, and possibly have an electrician go over the wiring. Or have his property manager do the same;

or, 2.  Sit on his butt and look up some stuff on the internet to justify not doing anything more?

Anyone selecting option #1 should get out of landlording before they kill someone.

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