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WAEC Physics 2016 Paper
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Question : 46
Total: 47
In a p-type semiconductor, the?
number of holes are equal to the number of electrons
electrical resistivity increases
electrons are the majority charge carriers
holes are the majority charge carriers
Validate
Solution:
Properties of p type semiconductor
This type of semiconductors form due to the doping trivalent atoms in a pure semiconductor crystal.
The majority carriers in p-type semiconductors are holes which have positive charges.
Minority carriers of this type semiconductors are free electrons.
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