While I hung out with Robbie this weekend, he drove his mom's car. However, he couldn't drive the car at night time because one of the headlights burnt out, so he had to switch cars to drive me home. Anyways, I found this is related to exactly what we are learning about in Physics class. A circuit must be complete in order for things such as light bulbs to function properly. As shown in this picture, the light bulb in the headlight does not work because the filament, that once connected the circuit in one path of traveling electrons, burnt out, so the circuit is no longer complete. Even though the car battery is still working to light the other lights on the car, that one headlight does not work because of the unclosed circuit.
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