Solving a circuit with kirchoff's laws

In summary, the conversation is about finding the voltage drop across each resistance in a three wire DC distribution system. The person is asking for a step-by-step solution, but the expert reminds them that solutions are not given out on the platform and asks for their own approach to the problem. The expert also provides a completed question with a similar concept for reference.
  • #1
amon
2
0
In the three wire DC distribution system shown below, find the voltage drop across each resistance.


<< note from berkeman -- please re-attach your file after renaming it >>














Anyone interested in showing this step by step solution?
 
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  • #2
amon, please also note that we do not give out solutions here on the PF. You must show some of your own work before we can offer tutorial help. So when you post your attachment again, please also tell us how you would approach the problem.
 
  • #3
No can do

I have completed a similar question attached below (prblm. #2). Of coure, it is less complex, but the same idea, I just get lost with the multi-structural ladder in prblm.#1.
 

Attachments

  • prblm #1.doc
    22.5 KB · Views: 237
  • prblm #2.doc
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FAQ: Solving a circuit with kirchoff's laws

What is Kirchoff's Law?

Kirchoff's Law, also known as Kirchoff's Circuit Laws, are a set of fundamental principles used to analyze electrical circuits. They were developed by German physicist Gustav Kirchoff in the mid-19th century and are used to calculate the voltage, current, and resistance in a circuit.

What are the two laws included in Kirchoff's Laws?

Kirchoff's Laws consist of two principles: Kirchoff's Current Law (KCL) and Kirchoff's Voltage Law (KVL). KCL states that the sum of all currents entering and leaving a junction in a circuit must be equal to zero. KVL states that the sum of all voltage drops in a closed loop circuit must be equal to the sum of all voltage sources in that loop.

How do these laws help solve a circuit?

Kirchoff's Laws provide a systematic and mathematical approach to solving complex electrical circuits. By applying these laws, one can determine the voltage, current, and resistance values at various points in the circuit, allowing for the analysis and design of more complex circuits.

Can Kirchoff's Laws be applied to any circuit?

Yes, Kirchoff's Laws are applicable to all types of circuits, including both DC and AC circuits. They can also be used to analyze circuits with multiple loops and branches, making them essential tools for electrical engineers and scientists.

What are some common mistakes when applying Kirchoff's Laws?

Some common mistakes when using Kirchoff's Laws include forgetting to account for the direction of current flow, using incorrect signs for voltage drops, and not considering the polarity of voltage sources. It is important to carefully label all currents and voltages and to double-check the signs and directions when solving a circuit with Kirchoff's Laws.

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