Explain with the aid of energy band diagrams the flow of current through a p-n junction under (i) zero bias, (ii) reverse bias and (iii) forward bias conditions. (500 words)

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  1. Explain with the aid of energy band diagrams the flow of current through a p-n junction under (i) zero bias, (ii) reverse bias and (iii) forward bias conditions. (500 words)
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