In a series circuit, the already existing lightbulb dims when another light bulb is added*1 pointTrueFalse
Question
In a series circuit, the already existing lightbulb dims when another light bulb is added.
1 point
True
False
Solution
In a series circuit, the total resistance increases when an additional light bulb is added. This change affects the current flowing through the circuit because, according to Ohm's Law (), as resistance () increases, the overall current () decreases given a constant voltage ().
As the current decreases, each lightbulb receives less electrical current, resulting in less brightness. Therefore, if one light bulb is added to a series circuit that already contains a light bulb, both bulbs will dim because they share the reduced current.
Final Answer
True.
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