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Questions and Answers
What was the first superconductor discovered?
What was the first superconductor discovered?
- Copper
- Iron
- Aluminum
- Mercury (correct)
Which scientist discovered superconductivity in 1911?
Which scientist discovered superconductivity in 1911?
- Albert Einstein
- H.K. Onnes (correct)
- Marie Curie
- Isaac Newton
How many known superconductors are there today?
How many known superconductors are there today?
- Millions
- Thousands
- Tens
- Hundreds (correct)
What can superconductors be used to make?
What can superconductors be used to make?
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What is the critical temperature (Tc)?
What is the critical temperature (Tc)?
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Study Notes
Discovery of Superconductivity
- The first superconductor discovered was mercury (Hg) in 1911.
- Superconductivity was discovered by physicist Heike Kamerlingh Onnes.
Current State of Superconductors
- There are over 100 known superconductors today, spanning various materials and compounds.
Applications of Superconductors
- Superconductors are crucial in creating powerful magnets for MRI machines and particle accelerators.
- They are used in magnetic levitation for high-speed trains.
- Superconducting materials enhance energy efficiency in power transmission and storage.
Critical Temperature (Tc)
- The critical temperature (Tc) is the temperature below which a material exhibits superconductivity.
- Different superconductors have varying Tc values, with some new materials achieving superconductivity at higher temperatures than traditional superconductors.
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