Description : Name two good conductors, two good insulators, and two semiconductors.
Description : Which of the following elements are used as dopants in silicon or germanium semiconductors? A) Antimony B) Phosphorus C) Arsenic D) All the above
Description : 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 ... Establishes a potential difference creating a source of EMF (d) Produces heat raising the temperature