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NEETChemistrySolid State

What is the role of the delocalized electrons in increasing the conductivity of doped silicon or germanium?

Options

  1. AThey form covalent bonds with neighboring atoms.
  2. BThey create holes in the crystal lattice.
  3. CThey carry an electric current.
  4. DThey increase the lattice spacing.

Correct answer

C. They carry an electric current.

Step-by-step solution

Delocalized electrons in doped silicon or germanium increase conductivity by carrying an electric current.

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