Question

Explain the circuit connection in the series circuit.

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Solution

**Series circuit**

- A circuit made up of different parts connected in series is known as a series circuit.
- In other words, the components connected in series are connected in one "electrical" way, and each component has the same capacity, equal to the current in the network.
- The voltage across the entire network is equal to the sum of the voltage in each component.

**Figure representing a series circuit.**

A simple series circuit

**Explanation:**

- A simple series circuit, which includes a power source and three resistance units is shown in the figure above.
- If we join three resistance in series by end-to-end connection. Then their combined resistance $\left(R\right)$ will be,

$R={R}_{1}+{R}_{2}+{R}_{3}$, Where ${R}_{1},{R}_{2},{R}_{3}$ are resistance of each resistor as shown above.

So according to Ohm's law, $V=IR=I\left({R}_{1}+{R}_{2}+{R}_{3}\right)$ - There is only one path for the current to flow in the series circuit. In other words, a series circuit provides a single path between any two points.
- These circuits have the advantage of making each component very dependent on the other components.
- This means that if one component is removed, all of the components turn off.

**Hence, in a series circuit, all the resistances are connected end to end.**

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