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What is the main idea of this chapter?
The author wrote “The magnets are created by putting electricity through metals in a specific way.”. What does “specific way” mean in this context?
The author wrote “One day, Edison said he would give Tesla $50,000 if he could improve the designs for one of his electric generators.”. What does “improve” mean in this context?
What does “alternating currents” mean in this chapter?
How did Tesla’s alternating current motor work?