- 1. What year did Hans Christian Oersted discover electromagnetism?
A) 1752
B) 1945
C) 1820
D) 1901
- 2. What type of field was Oersted studying when he discovered electromagnetism?
A) Gravitational field
B) Magnetic field
C) Heat field
D) Electric field
- 3. In Oersted's experiment, what did he observe when he passed an electric current through a wire near a compass needle?
A) The needle did nothing
B) The needle spun around
C) The needle heated up
D) The needle deflected
- 4. What does the discovery of electromagnetism describe?
A) The discovery of the electric charge
B) The invention of the light bulb
C) The discovery of radio waves
D) The relationship between electricity and magnetism
- 5. Which scientist developed the first electromagnet following Oersted's discovery?
A) Albert Einstein
B) Marie Curie
C) William Sturgeon
D) Isaac Newton
- 6. Oersted's discovery laid the foundation for the development of which technology?
A) Automobiles
B) Electric motors
C) Telegraph machines
D) Steam engines
- 7. What scientific principle underlies the operation of electric generators?
A) Nuclear fission
B) Special relativity
C) Quantum mechanics
D) Electromagnetic induction
- 8. What university did Oersted teach at when he made his electromagnetism discovery?
A) University of Paris
B) University of Copenhagen
C) Harvard University
D) Oxford University
- 9. What material did Oersted pass an electric current through in his experiment with the compass needle?
A) Rubber
B) Wire
C) Glass
D) Wood
- 10. Oersted's discovery united which two fields of study?
A) Electricity and magnetism
B) Astrophysics and geology
C) Psychology and sociology
D) Chemistry and biology
- 11. Who later developed the mathematical formulation for electromagnetism?
A) Max Planck
B) Albert Michelson
C) James Clerk Maxwell
D) Erwin Schrödinger
- 12. Oersted's discovery led to the concept of a magnetic field being produced by what?
A) Radio waves
B) Gravity
C) Electric current
D) Static charge
- 13. What was Hans Christian Oersted's nationality?
A) Swedish
B) Danish
C) German
D) French
- 14. Which of the following materials can be easily magnetized?
A) Plastic
B) Rubber
C) Iron
D) Paper
- 15. What property of a material determines how easily it can be magnetized?
A) Permeability
B) Hardness
C) Color
D) Density
- 16. What electromechanical device is used to transmit electrical energy between two or more circuits through electromagnetic induction?
A) Capacitor
B) Transformer
C) Resistor
D) Diode
- 17. What is the process called when an electric current flows through a conductor in the presence of a magnetic field resulting in a force on the conductor?
A) Bohr effect
B) Lorentz force
C) Hooke's law
D) Bernoulli's principle
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