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Questions and Answers
What is electromagnetism?
What is electromagnetism?
- The study of the interaction between electric currents and magnetic fields (correct)
- The study of the interaction between heat and temperature
- The study of the interaction between light and matter
- The study of the interaction between sound waves and air
Who discovered the interaction between electric currents and magnetic fields?
Who discovered the interaction between electric currents and magnetic fields?
- Hans Christian Oersted (correct)
- Benjamin Franklin
- Thomas Edison
- Nikola Tesla
What are magnetic field lines used for?
What are magnetic field lines used for?
- To represent the direction and strength of the magnetic field (correct)
- To measure electric current
- To generate heat
- To conduct electricity
How can the direction of a magnetic field due to a current-carrying conductor be determined?
How can the direction of a magnetic field due to a current-carrying conductor be determined?
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What forms closed loops around a magnet or current-carrying conductor?
What forms closed loops around a magnet or current-carrying conductor?
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