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Current Electricity — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsCurrent Electricity1 Mark
MCQ
When current begins to run through such materials, it persists even if no potential difference exists. In this case, which of the following options is correct?
  • A
    Conductor
  • B
    Semiconductor
  • C
    Insulator
  • ✓
    Superconductor
✓

Answer

Correct option: D.
Superconductor
(d)
Superconductor
Explanation:
Superconductors are materials that, below a certain critical temperature, exhibit zero electrical resistance, allowing current to flow without any loss of energy, even in the absence of a potential difference.

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