When did Michael Faraday discover electromagnetic induction, the principle behind the electric transformer and generator?

The correct answer is 1831.

Key Points

• Michael Faraday discovered electromagnetic induction in the year 1831.
• This discovery is crucial as it laid the foundation for the development of electric transformers and generators.
• Faraday's experiment involved moving a magnet through a coil, which generated an electric current within the coil, demonstrating the principle of electromagnetic induction.
• His work on electromagnetic induction is considered one of the most significant contributions to the field of electromagnetism and electrical engineering.

Additional Information

• Electromagnetic Induction
  • It is the production of voltage or electromotive force due to a change in the magnetic field.
  • This phenomenon is the principle behind transformers, inductors, and many types of electrical generators.
• Michael Faraday
  • He was an English scientist who contributed significantly to the study of electromagnetism and electrochemistry.
  • Faraday's laws of electrolysis and his work on the Faraday effect are also notable contributions.
• Electric Generators
  • Devices that convert mechanical energy into electrical energy using the principle of electromagnetic induction.
  • Generators are widely used in power plants to produce electricity for homes and industries.
• Transformers
  • Electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.
  • They are used to increase (step-up) or decrease (step-down) voltage levels in power transmission and distribution systems.