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184_notes:combinations [2021/03/18 04:04] – [Strategies for Analysis] bartonmo | 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 | ||
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==== Examples ==== | ==== Examples ==== | ||
- | [[: | + | * [[: |
- | + | * Video Example: The Wheatstone Bridge | |
- | [[: | + | |
+ | * Video Example: Charging Capacitors through Resistors | ||
+ | {{youtube> | ||
+ | {{youtube> |