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What is the name of the electromagnetic coil device invented by Nikola Tesla that produces high-voltage alternating current?
Answer
Tesla coil
What phenomenon causes a changing magnetic field to induce an electric current in a conductor?
Answer
Electromagnetic induction
What device protects sensitive electronics from external electric fields by surrounding them with a conductor?
Answer
Faraday cage
What law states that current is proportional to voltage for a constant resistance?
Answer
Ohm's law
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Latest trivia questions
What phenomenon causes a changing magnetic field to induce an electric current in a conductor?
Answer
Electromagnetic induction
What unit measures electrical power?
Answer
Watt
What rule says that the total current entering an electrical junction equals the total current leaving it?
Answer
Kirchhoff’s current law
Who first generated and detected radio waves experimentally in the 1880s?
Answer
Heinrich Hertz
What was the name of Thomas Edison’s 1882 power station in New York City?
Answer
Pearl Street Station
Which scientist invented the lightning rod after studying electricity in the 18th century?
Answer
Benjamin Franklin