The vacant electron site when a bond is broken is called:
Correct answer: C. A hole
- A. A positive ion
- B. A deutron
- C. A hole
- D. An electron
Explanation
The vacant electron site left when a bond is broken is referred to as a "hole." When a covalent bond breaks, it results in the absence of an electron at the bond site, leaving behind a vacancy or an empty space in the crystal lattice where an electron could exist but isn't present. This vacant site acts as a positive charge carrier and is commonly known as a hole in semiconductor physics.
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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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