NEET PhysicsClass 12Intrinsic semiconductorMediumMatch the following
Match each element in List I with its role or property in List II.
Column I
Column II
P. Phosphorus added to silicon
1. Acceptor impurity
Q. Boron added to silicon
2. Band gap about 0 eV, behaves as a metal
R. Pure germanium
3. Donor impurity
S. Tin (group 14, like silicon)
4. Intrinsic semiconductor, band gap about 0.7 eV
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