In what year did scientists discover how to make electricity?, 1830, 1877, 1831, 1827, Why there is two plugs in the socket?, To make a closed circuit, It is convenean, To make it stable, The number 2 is unique: it is the only even prime number. It reveals mathematical duality, underlies the binary code that powers all digital electronics (from processors to Wikipedia), and symbolizes the fundamental balance of nature., WHo was the second guy who discovered how to make an electricity, Nicola Tesla, Joseph Henry, Einstein, Leo Koptygin, If hydroelectric station is 100 meters high.How many energy can it generate, 5 million watts, 52.7 million megawatts, 9 hundred watts, 6.5 million kilowatts, What powers the batteries?, Hydroelectric station, plug, Chemicals, magic, In what state is the hydroelectric power station featured in the video located?, Washington, Ohio, New York, oklahoma, What is the name of the car in the video, BMW X3, mersedes class c, Viking 21, Lada Priora, What is insulator, Type of energy, A material that does not conduct electricity, Medical machine, medicine, What conducts electricity best?, Copper, steel, iron, wood, What is Amps, This is the correct answer, Type of electricity, What Tesla called electricity, The standard unit of measurement for electrical current

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