Question A9 If a semiconductor is placed in a homogenous electric field pointing in the positive x direction, in which direction will the following quasiparticles travel? a) Electrons at the bottom of the conduction band b) Electrons at the top of the valence band c) Holes at the top of the valence band =

Question A9 If a semiconductor is placed in a homogenous electric field pointing in the positive x direction, in which direction will the following quasiparticles travel? a) Electrons at the bottom of the conduction band b) Electrons at the top of the valence band c) Holes at the top of the valence band =

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1. What happens to the thickness of the depletion region in a PN junction when an external voltage is applied to a forward bias diode? 2. When “P” and “N” type semiconductor pieces are brought into close contact, free electrons from the “N” piece will rush over to fill holes in the “P” piece, creating a zone on both sides of the contact region devoid of charge carriers. What is this zone called, and what are its electrical characteristics 3. Is this diode forward-biased or reverse biased? Show soultion please, thanks.
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