4 ms·
A EE video[1] shows such a bad power factor on a mere smoke alarm that the VA reading is 20VA for less than 1W actual consumption. An unsuspecting "power meter"
by a9h74j 7y ago
A EE video[1] shows such a bad power factor on a mere smoke alarm that the VA reading is 20VA for less than 1W actual consumption. An unsuspecting "power meter" might overestimate actual dissipation.
[1] https://www.youtube.com/watch?v=_kI8ySvNPdQ https://www.youtube.com/watch?v=_kI8ySvNPdQ