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Photoconductivity is a characteristic of semiconductors. When light falls on certain semiconductors, it (a) Sets free electrons from some of the atoms, increasing the conductivity (b) Ejects electrons into space (c) Establishes a potential difference creating a source of EMF (d) Produces heat raising the temperature

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Photoconductivity is a characteristic of semiconductors. When light falls on certain semiconductors, it Sets free electrons from some of the atoms, increasing the conductivity

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