How does the conductance of a semiconducting material change with rise in temperature?

Is it difficult to make an intrinsic semiconductor? Name two factors on which the electrical conductivity of intrinsic semiconductor at a given temperature depends. How does the conductivity of a semiconductor change with the rise in its temperature?

How does the conductivity of a semiconductor change with rise in temperature ? Explain.

How does conductivity of a semi conductor change with the rise in temperature ?

How does the conductivity of a semi- conductor change with rise of temperature?

How does the conductivity of semi conductor change with rise in temperature?

How does the conductivity of semi-conductors varies with the rise in their temperature ?

Why does the conductivity of a pure semiconductor increases with rise in temperature ?