Holes are charge carriers in
Correct answer: B. p-type semiconductors
- A. intrinsic semiconductor
- B. p-type semiconductors
- C. ionic solids
- D. metals
Explanation
In p-type semiconductors, holes are the majority charge carriers. Holes are essentially the absence of electrons in the valence band, and they behave as positive charge carriers.Incorrect Options and Explanations: (a) intrinsic semiconductor - In an intrinsic semiconductor, charge carriers are electrons and holes, with equal concentrations. (c) ionic solids - Ionic solids typically involve positive and negative ions, not holes as charge carriers. (d) metals - Metals have free electrons as their primary charge carriers, not holes.
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About Electronics
A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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