List of top Nano Technology Questions on Semiconductors asked in AP PGECET

At 0K, an intrinsic semiconductor behaves like a:
If a material has a band gap ($E_g$) of 4.0 eV, it will most likely be
Calculate the drift velocity of the free electrons with mobility of (3)5\(\times\)10\(^{-3}\) m\(^2\)/Vs in copper for an electric field strength of 0.5 V/m.
Calculate the electrical conductivity of a copper wire if the number density of free electrons is 8.5x10\(^{28}\) electrons/m\(^3\) and the electron mobility is 0.0035 m\(^2\)/Vs.
Which of the following statements best describes the effect of increasing the temperature on the conductivity of an intrinsic semiconductor?