IGNOU PHE 13 2026 - Explain, with a diagram, the operation of a photovoltaic solar cell.

Question

Explain, with a diagram, the operation of a photovoltaic solar cell.

29 Jan 2026

Answer :

Word Count : 332

A photovoltaic (PV) solar cell is a semiconductor device that converts sunlight directly into electrical energy through the photovoltaic effect. The most commonly used material for PV cells is silicon, which has properties suitable for absorbing sunlight and generating electron-hole pairs. The basic structure of a solar cell consists of a thin layer of p-type silicon and a layer of n-type silicon, forming a p-n junction. The p-type layer has an abundance of holes (positive charge carriers), while the n-type layer has an excess of electrons

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