In an insulator, the energy gap between conduction band and valence band is about

Question

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Answer 1

Atoms are neutral in the insulator, thus there are no valence electrons in the outer orbit. The electrons are tightly bound with the nucleus hence, at room temperature thermal energy is not enough to push the electrons into conduction band and hence, no electrons are available for conduction. The energy required for electron to escape out from orbit and to over come the energy gap is thus of the order of $6 e V$ .

Answer 2

Atoms are neutral in the insulator, thus there are no valence electrons in the outer orbit. The electrons are tightly bound with the nucleus hence, at room temperature thermal energy is not enough to push the electrons into conduction band and hence, no electrons are available for conduction. The energy required for electron to escape out from orbit and to over come the energy gap is thus of the order of

6 e V

.

In an insulator, the energy gap between conduction band and valence band is about

$0 e V$

$6 e V$

$1 e V$

$0.6 e V$

In insulators________. (C.B is conduction band and V.B is valence band)

In semiconductors, the forbidden energy gap between valence band and conduction band is of the order of :

In a metal, the separation between conduction band and valence band is of the order

In a semiconductor, the forbidden energy gap between the valence band and the conduction band is of the order is

In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of

Revise with Concepts

Metals, Conductors and semiconductors

Electron Energies in Solids

In an insulator, the energy gap between conduction band and valence band is about

0 eV

6 eV

1 eV

0.6 eV

In insulators________. (C.B is conduction band and V.B is valence band)

In semiconductors, the forbidden energy gap between valence band and conduction band is of the order of :

In a metal, the separation between conduction band and valence band is of the order

In a semiconductor, the forbidden energy gap between the valence band and the conduction band is of the order is

In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of

Revise with Concepts

Metals, Conductors and semiconductors

Electron Energies in Solids

$0 e V$

$6 e V$

$1 e V$

$0.6 e V$