Semiconductor E...

When a pure semiconductor is heated, its resistance:

What is the order of forbidden gap in the energy bands of silicon?​

The densities of electrons and holes in an extrinsic semiconductor are 8 x 10¹⁵ cm^-3 and 5 x 10¹² cm^-3 respectively. The mobilities of electrons and holes are respectively 23 x 10³ cm³ / Vs and 10² cm³ / Vs. Which type of semiconductor is it?​

A semiconductor is formed by:

Arrange the materials in ascending order of energy band gaps:

In a semiconductor, current conduction is due to:

Electrons moving like molecules of gas exist in:

What is the value of the dielectric constant of air?

Mobilities of electrons and holes in a sample of intrinsic germanium semiconductor at room temperature are 0.36m²/volt-sec and 0.17 m²/volt-sec respectively. If the electron and hole densities are each equal to 2.5 X 10¹⁹/m³, the conductivity is ______.​

In a semiconductor, the forbidden energy gap between the valence band and conduction band is about​: