In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is a/an

which one of the energy band diagrams shown in the figure coresponds to that of semiconductor?

Which of the energy band diagrams shown in the figure corresponds to that of a semiconductor?

Which of the energy band diagrams shown in the figure corresponds to that of a semiconductor?

Which of the energy band diagrams shown in the figure corresponds to that of a semiconductor ?

Assertion: If there is some gap between the conduction band and the valence band, electrons in the valence band all remain bound and no free electrons are available in the conduction band. Then the material is an insulator. Reason: Resistance of insulators is very low

Assertion: If there is some gap between the conduction band and the valence band, electrons in the valence band all remain bound and no free electrons are available in the conduction band. Then the material is an insulator. Reason: Resistance of insulators is very low

In a semiconducting material the mobilities of electrons and holes are, mu_e and mu_h respectively. Which of the following is true?

In a semiconducting material the mobilities of electrons and holes are mu_(e ) and mu_(h) respectively. Which of the following is true?

If p is the resistivity of a material, and n is the number density of free electrons in it, the mean time between collisions between electrons in the material is given by: (m denotes the mass of an electron, and e denotes the charge on an electron)