describe the behaviour of a P-N junction in terms of semiconductor behaviour by speaking about the...
describe the behaviour of a P-N junction in terms of semiconductor behaviour by speaking about the two types of doping P and N, the difference between them and add the reaction of the junction for both forward and reversed bias.
kindly give a simple description with clear hand writing.
Homework Answers
Handwritten description of P-N junction behavior]
markdownCopy codeP-N Junction Behavior P-type Doping:- In P-type semiconductors, atoms with fewer valence electrons (acceptors) are added.- This creates "holes" (positively charged carriers) in the semiconductor material. N-type Doping:- In N-type semiconductors, atoms with more valence electrons (donors) are added.- This creates free electrons (negatively charged carriers) in the semiconductor material. Difference between P and N-type Doping:- P-type has more holes and fewer free electrons.- N-type has more free electrons and fewer holes. Reaction of the P-N Junction:1. Forward Bias: - When a positive voltage is applied to the P-side and negative to the N-side. - Holes move towards the N-side, and electrons move towards the P-side. - The depletion region shrinks. - Current flows easily, and the junction conducts electricity.2. Reversed Bias: - When a negative voltage is applied to the P-side and positive to the N-side. - The depletion region widens. - Few charges cross the junction. - The junction does not conduct electricity.
[End of handwritten description]
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