Kirchhoff's Law, Junction & Loop Rule, Ohm's Law - KCl & KVl Circuit Analysis - Physics
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- เผยแพร่เมื่อ 12 ธ.ค. 2017
- This physics video tutorial explains how to solve complex DC circuits using kirchoff's law. Kirchoff's current law or junction rule states that the total current entering a junction is equal to the total current leaving the junction. Kirchoff's voltage law or loop rule states that the sum of all the voltages around a loop must add to zero. You need to be able to distinguish a voltage drop from a voltage lift. In addition, you need to be familiar with ohm's law when dealing with loop rule using kirchoff's law. This video contains plenty of examples and practice problems on KCl & KVl circuit analysis.
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Schematic Diagrams & Symbols:
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Resistors In Series:
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Resistors In Parallel:
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Series and Parallel Circuits - Light Bulb Brightness:
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Equivalent Resistance of Complex Circuits:
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How To Solve DC Circuits:
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Voltage Divider Circuit:
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Current Dividers:
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Parallel Circuit Challenge Problem:
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Kirchhoff's Current Law:
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Kirchhoff's Voltage Law:
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DC Circuits Review:
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Thevenin's Theorem - Circuit Analysis:
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Norton's Theorem - Circuit Analysis:
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Superposition Theorem:
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It’s just adding and subtracting multiplying and dividing nothing special really
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The first time in my life I fully understand KVL and KCL, understanding fundamentals lays solid foundation for more advanced concepts. Clear and concise explanations with sufficient amount of examples. Thank you very much and well done.
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I get this, but i can't understand how to work with 2 junctions. In my case there is 1 batttery, 4 ressistors and 2 junctions. so I(current) is equal to what? I used this equation but it doesn't make sense, I1=I2+I3+I1-I2-I3. This is what reffer to 18:02. Help please :D
@@unbelievable1560 if you are still struggle with that question i could help you but i will need to see the circuit
@@Zeusik69 Yeah i still struggle with the problem. Here is a screenshot of the circuit. imgur.com/a/NJJnKWz
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Book marked at 1:08:19
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