What word describes a material which maintains a magnetic field after an external field is removed?
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- Intermediate Intermediate difficulty.
- Physics
What SI unit of magnetic flux is named after Wilhelm Eduard Weber?
Answer
weber
- Intermediate Intermediate difficulty.
- Physics
What is the name of the quantum constant denoted by the symbol h?
Answer
Planck constant
- Hard Hard difficulty.
- Physics
What is the name of the phenomenon where a superconductor expels all external magnetic fields?
Answer
Meissner effect
- Intermediate Intermediate difficulty.
- Physics
What is the process by which a substance changes directly from a solid to a gas?
Answer
sublimation
- Intermediate Intermediate difficulty.
- Physics
What is the spreading of waves as they pass through an aperture or around an obstacle called?
Answer
diffraction
- Intermediate Intermediate difficulty.
- Physics
What phenomenon describes the slowing of time for an object moving at relativistic speeds?
Answer
time dilation