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A small size relay or switch made of superconductors.
Maglev
Cryotron
Cryogenic propulsion
Supercomputers
Cryotron
Quick Summary: Practice and solve "A small size relay or switch made of superconductors...." for Electrical - Electronics. The correct answer is Option B: Cryotron. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **