How is a $P$ -type semi conductor formed?

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Solution

If trivalent impurity atom ( $A l$ , $B$ etc) is mixed with pure tetra-valent germanium or silicon crystal, the crystal so obtained is called $p$ -type semi conductor. P- type semiconductors have major charge carries as hole.

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Which impurity is doped in Si to form N-type semi-conductor?

Q. Which one of the following is true about the p-type and n-type semi-conductor?

(i) Define rectification.
(ii) Draw a circuit diagram of a full-wave rectifier.
(iii) Semi-conductor related to given energy band diagram is:
n-type semi-conductor, p-type semi-conductor or intrinsic semi-conductor.

Q. Distinguish between n type and p type semi conductors.

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How is a P-type semi conductor formed?

If trivalent impurity atom (Al, B etc) is mixed with pure tetra-valent germanium or silicon crystal, the crystal so obtained is called p-type semi conductor. P- type semiconductors have major charge carries as hole.

How is a $P$ -type semi conductor formed?

If trivalent impurity atom ( $A l$ , $B$ etc) is mixed with pure tetra-valent germanium or silicon crystal, the crystal so obtained is called $p$ -type semi conductor. P- type semiconductors have major charge carries as hole.