# Analyzing Series and Parallel Circuits: Finding Voltages

• Engineering
• saulwizard1
In summary, The conversation is about a problem involving a circuit and determining the voltages. The equations I=V/RT, RT=R1+R2+R3+...+Rn, P=V^2/R, V=V1=V2=V3, I=V/R, and GT=1/R1+1/R2+1/R3+...+1/Rn are mentioned. The person asking for help is unsure of how to solve the problem and suggests trying to solve first as a parallel circuit and then as a series circuit. The expert suggests looking for additional study materials with worked examples.
saulwizard1

## Homework Statement

Hello, can you help with this problem.
For the next circuit, determine the voltages

## Homework Equations

I=V/RT
RT=R1+R2+R3+...+Rn
P=V^2/R

V=V1=V2=V3
I=V/R
GT=1/R1+1/R2+1/R3+...+1/Rn

## The Attempt at a Solution

My background is that I only know a very few and I don´t know how to determine the points and for where to start to solve this circuit.
My idea was try to solve first as a parallel circuit and then as a series circuit.

#### Attachments

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Do you know Kirchhoff's Laws?

robphy said:
Do you know Kirchhoff's Laws?
I know that the sum of the currents in the circuit must be equal to zero and that the algebraic sum of the voltages must be equal to zero, I know this because I am self studying this topic, bue I don't have idea of the procedure to follow.

Sounds like you need to find some additional study/review materials with worked examples. Try a web search with the phrase: KCL KVL examples. You should find both text and video resources.

## 1. What is the difference between a series and parallel circuit?

In a series circuit, all components are connected in a single loop, while in a parallel circuit, components are connected in multiple branches. This means that in a series circuit, the same current flows through all components, while in a parallel circuit, the current is divided between the different branches.

## 2. How do I calculate the total resistance in a series or parallel circuit?

In a series circuit, the total resistance is equal to the sum of individual resistances. In a parallel circuit, the total resistance is calculated by taking the reciprocal of the sum of the reciprocals of each individual resistance.

## 3. What happens to the brightness of bulbs in a series or parallel circuit?

In a series circuit, the brightness of bulbs decreases as more bulbs are added because the same current is flowing through each bulb, so each bulb receives less current. In a parallel circuit, the brightness of bulbs remains the same as more bulbs are added because each bulb receives the full current.

## 4. Can I mix different types of components in a series or parallel circuit?

Yes, you can mix different types of components in both series and parallel circuits. However, it is important to consider the total resistance and current when mixing components to ensure the circuit operates properly.

## 5. How does voltage behave in a series and parallel circuit?

In a series circuit, the voltage is divided among the components, with each component receiving a portion of the total voltage. In a parallel circuit, the voltage remains the same across each branch. This means that the total voltage in a parallel circuit is equal to the voltage of the individual branches.

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