IGNOU PHE 16 2026 - Describe the working of a CCD camera.

Question

Describe the working of a CCD camera.

28 Jan 2026

Answer :

Word Count : 262

A CCD camera operates on the principle of converting light energy into electrical signals using a charge-coupled device. When light from a scene enters the camera through the lens, it is focused onto the CCD sensor, which consists of a two-dimensional array of photosensitive elements called pixels. Each pixel acts as a tiny capacitor and is made of semiconductor material, usually silicon. When photons strike the pixel, they generate electron–hole pairs through the photoelectric effect. The number of electrons produced in each pixel is proportional to

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