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184_notes:combinations [2021/06/29 00:12] – schram45 | 184_notes:combinations [2021/11/23 21:09] (current) – waterso8 |
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R3,4=R3+R4
| R3,4=R3+R4
|
R3,4=24Ω
| R3,4=24Ω
|
At this point $R_5andR_{3,4}areinparallelbecausetheyhavethesamepotentialdifferenceacrossthem.NotethatR_5is//not//inparallelwithR_3orwithR_4butonlywithcombination.WecanthenfindthecombinedresistanceofR_{2-4}$ then: | At this point $R_2andR_{3,4}areinparallelbecausetheyhavethesamepotentialdifferenceacrossthem.NotethatR_2is//not//inparallelwithR_3orwithR_4butonlywithcombination.WecanthenfindthecombinedresistanceofR_{2-4}$ then: |
1R2−4=1R2+1R3,4
| 1R2−4=1R2+1R3,4
|
R2−4=(17+124)−1
| R2−4=(17+124)−1
|
* Video Example: Charging Capacitors through Resistors | * Video Example: Charging Capacitors through Resistors |
{{youtube>uj2c1Tm7ttA?large}} | {{youtube>uj2c1Tm7ttA?large}} |
| {{youtube>D7-1N0Jbhv8?large}} |