John is an electrical engineering student and Jasmine is a chemistry student. Jo

Question

John is an electrical engineering student and Jasmine is a chemistry student. John doesn't think anything important happens the first day of classes, so he skips his Electric Circuits class to go visit Jasmine. She says that a 60 W light bulb in her house is burned out and asks John if he has a spare. He says that he only has a 60W bulb for a light in his car, but that he is certain it will work in her apartment since it has the same power rating. She says that she doesnt think that sounds right, and so the make a bet. The loser has to clean the other person's apartment. Who wins the bet and why?

Explanation / Answer

Power rating is defined by power and voltage both. Having same power value doesn't mean that it can operate at different voltage levels. At car the voltage levels are lower as compared to that in home. Hence the car bulb will blow off if used at home. Hence Jasmine wins the bet.

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