Which is most likely the analogy that Jason used? Jason sees a news report about a traffic jam caused by a truckload of tires that spilled across the road. The next day in class, he uses the traffic jam as an analogy to explain electric circuits to his friend.

In the traffic analogy, cars moving along the road represent charges moving through a circuit. The spilled tires obstruct the road, like increased electrical resistance obstructs the flow of charge. With voltage unchanged, greater resistance reduces current, so the best choice is “The cars represent moving charges, and the spilled tires represent an increased resistance that causes the current to decrease.”

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