Question:

__________ have zero electrical resistance

Show Hint

Superconductors show zero electrical resistance below their critical temperature.
  • Semiconductors
  • Conductors
  • Insulators
  • Super conductors
Show Solution
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The Correct Option is D

Solution and Explanation

Concept: Superconductors are materials that show zero electrical resistance below a certain critical temperature.

Step 1:
Ordinary conductors have small but finite resistance.

Step 2:
Semiconductors have conductivity between conductors and insulators.

Step 3:
Insulators have very high resistance.

Step 4:
Superconductors show zero resistance below their critical temperature. Therefore, materials having zero electrical resistance are: \[ \boxed{\text{Super conductors}} \]
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