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3. current electricity — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics3. current electricity1 Mark
MCQ
A conductor behaves as a superconductor
  • A
    Above critical temperature
  • ✓
    At critical temperature
  • C
    At $100^{\circ} C$
  • D
    At boiling point of that metal
✓

Answer

Correct option: B.
At critical temperature
b
(b)

A conductor behaves as a superconductor at critical temperature.

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