1. Electrical energy
By; Kemi and Kim

2. Series and Parallel Circuits
When there are two or more electrical devices present in a circuit with an energy source, they can be connected in series or connected in parallel. They usually include three things voltage difference, electrical energy, and a conductor.

3. Series Circuits
In a series circuit, the current through every component is the same, and the voltage equals the voltages across each component. Basically series circuit have only one path for electrons to flow.

4. Parallel Circuits
In a parallel circuit the voltage is the same across every component and the sum of the currents are equal to the current that flow from the source. Unlike a series circuit, a parallel circuit has multiple paths for current to flow.

5. Electric Circuits