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What happens when a trivalent semiconductor is doped with a pure semiconductor?

What happens when a trivalent semiconductor is doped with a pure semiconductor? Correct Answer P-Type extrinsic semiconductor is formed

P-Type extrinsic semiconductor is formed when a trivalent semiconductor is doped with a pure semiconductor. Holes are the majority charge carriers in P-type semiconductor, whereas electrons are majority charge carriers in N type semiconductors.

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