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Questions and Answers
Who is generally credited with the discovery of electromagnetic induction?
Who is generally credited with the discovery of electromagnetic induction?
What does Lenz's law describe?
What does Lenz's law describe?
What did James Clerk Maxwell mathematically describe as Faraday's law of induction?
What did James Clerk Maxwell mathematically describe as Faraday's law of induction?
When was electromagnetic induction discovered by Joseph Henry?
When was electromagnetic induction discovered by Joseph Henry?
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What did Faraday wrap around an iron ring in his first experimental demonstration of electromagnetic induction?
What did Faraday wrap around an iron ring in his first experimental demonstration of electromagnetic induction?
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Study Notes
Discovery of Electromagnetic Induction
- Michael Faraday is generally credited with the discovery of electromagnetic induction.
- Joseph Henry independently discovered electromagnetic induction around the same time as Faraday.
Lenz's Law
- Lenz's law describes the direction of induced current in a conductor when exposed to a changing magnetic field.
- It states that the induced current will flow in a direction that opposes the change in magnetic flux that produced it.
Faraday's Law of Induction and Maxwell
- James Clerk Maxwell mathematically formalized Faraday's law of induction in his series of equations known as Maxwell's equations.
- Maxwell's equations describe how electric and magnetic fields interact and propagate through space.
Timeline of Discovery
- Joseph Henry's work on electromagnetic induction occurred in the early 1830s, shortly after Faraday's initial experiments.
Faraday's First Experiment
- Faraday wrapped copper wire around an iron ring for his first experimental demonstration of electromagnetic induction.
- This setup allowed for the observation of induced electromotive force due to changes in the magnetic field through the ring.
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Description
Test your knowledge of electromagnetic induction with this quiz. Learn about Michael Faraday's discovery, Faraday's law of induction, Lenz's law, and more.
