List of top Nano Technology Questions on Semiconductors

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

MOSFET cutoff occurs when:

"Latch-up" in CMOS circuits is caused by the formation of parasitic:

In a MOSFET, if the source-to-body voltage \( V_{SB} > 0 \) (for NMOS), the threshold voltage \( V_T \):

Whenever a JFET operates above pinch-off voltage

BJT in common-emitter configuration has

The band gap of an intrinsic semiconductor increases with:

Quantum well lasers achieve lower threshold current because of

The active medium in a semiconductor laser is

A semiconductor laser operates mainly on the principle of

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?