Researchers at SLAC National Accelerator Lab have developed a new electron-gun that produces near-continuous high-energy electron beams. The electron gun uses a chamber of niobium cooled to 4 kelvins, which has what property?
W) Piezoelectricity
X) Extremely high magnetic susceptibility
Y) Superfluidity
Z) Superconductivity
✔️Answer:SUPERCONDUCTIVITY
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