When additional lightbulbs (a type of resistor) are added to a series circuit, the following would happen:
A. The light bulbs will get more dim with each bulb that is added.
B. The resistance in the circuit increases with each item that is added.
A series circuit is a type of an electric circuit connection that allows only a single pathway for the flow of electric current and as such the same amount of electric current flows through each electrical components, regardless of which is turned ON or used.
Additionally, the negative terminal of each electrical component is connected to the positive terminal of the next electrical component; therefore, a common current is being shared by the electrical components.
Consequently, the resistance in a series circuit increases with each lightbulb (a type of resistor) that is added because there is an increase in the opposition to the flow of electric current. Thus, the luminosity (brightness) of each lightbulb would decrease and as they will get more dim with each bulb that is added.
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