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