Answer / Johnson Boipai

Intrinsic Semiconductors (also known as Pure Semiconductors) are materials like Silicon or Germanium that have an equal number of electrons and holes. They have a conductivity between insulators and conductors because some electrons occupy the higher energy states, leaving empty states called holes for charge carriers. On the other hand, Extrinsic Semiconductors (also known as Doped Semiconductors) are created by intentionally adding impurities to pure semiconductors. Depending on the type of impurity added, extrinsic semiconductors can be classified as N-type (if donor impurities are added) or P-type (if acceptor impurities are added).

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