Topical debate, moral dilemmas and quirky questions. Join fellow shareholders in civilised discussions of issues of interest
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sanity clause
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by sanity clause » Fri Oct 09 2020 11:04am
When smoke alarm batteries start to get low, why is it always around 3:00am when they start beeping?
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expressman33
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by expressman33 » Fri Oct 09 2020 2:06pm
Because the temperature drops at night - Cold temperature increases the internal resistance and lowers the capacity.
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BeautifulSunshine
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by BeautifulSunshine » Fri Oct 09 2020 6:17pm
expressman33 wrote: ↑Fri Oct 09 2020 2:06pm
Because the temperature drops at night - Cold temperature increases the internal resistance and lowers the capacity.
WOW, that's really clever. I thought it was "just cause they do" but you have a scientific theory for it.
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