A series circuit is designed to have two light bulbs. If one more light bulb is added to the circuit, what happens to the brightness of each bulb?Group of answer choiceseach bulb becomes brighter
Question
A series circuit is designed to have two light bulbs. If one more light bulb is added to the circuit, what happens to the brightness of each bulb?Group of answer choiceseach bulb becomes brighter
Solution
In a series circuit, if you add another light bulb, the brightness of each bulb will decrease. This is because the total resistance in the circuit increases, which in turn decreases the current flowing through the circuit. Since the brightness of a bulb in a series circuit is directly proportional to the current, a decrease in current results in a decrease in brightness.
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For a class project, Jerome builds a simple circuit with a battery and three light bulbs. On his way to school, Jerome drops his project and breaks one of the light bulbs. He has no time to fix or replace the bulb, so he removes the broken bulb and turns in his project. What will happen when Jerome runs current through his circuit?A If Jerome built a series circuit, both remaining bulbs will still light up.B If Jerome built a parallel circuit, both remaining bulbs will still light up.C If Jerome built a series circuit, only the remaining bulb closest to the battery will light up.D If Jerome built a parallel circuit, only the remaining bulb closest to the battery will light up.
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