A 6-V battery powers a circuit with parallel branches on a board. Several wires and light bulbs plug into the board to make various series and parallel circuits. The brightness of the bulbs changes ...

The bulbs are then finally soldered with the ... The other type of circuit light strands use is a parallel circuit. In this setup, each bulb is on its own circuit to the power source.

In a parallel circuit, if you want to add more bulbs, you add them on their own branches of the circuit, like this. These new bulbs appear just as bright. That’s because each branch has the same ...