Physics, 21.05.2021 18:10 joelleygonzalez5792
So I was curious about parallel circuit. I first built four branches and only filled them with three light bulbs. Surprisingly, it looks something weird like the picture below (first one).
When I filled the fourth branch with a light bulb, everything light equally and even brighter.
Okay, here's what I know. I know that the wire that is outside the branch (and connects with the fourth branch) has more current for sure because there is no resistance. However, why the first light bulb got brighter than the second one and so on? Secondly, why is the circuit with 4 light bulbs is brighter?
Answers: 1
Physics, 22.06.2019 15:30, tiffuuu
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
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