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Physics · PYQ NEET UG 2022

हिन्दी

As the temperature increases, the electrical resistance:

  1. increases for conductors but decreases for semiconductors
  2. decreases for conductors but increases for semiconductors
  3. increases for both conductors and semiconductors
  4. decreases for both conductors and semiconductors

Correct answer · Option 1

increases for conductors but decreases for semiconductors

Explanation

Conductors have positive temperature coefficient (resistance increases with temperature), whereas semiconductors have negative temperature coefficient (resistance decreases with temperature).
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