The most commonly used material for making transistors is

  • A
    Copper
  • B
    Silicon
  • C
    Ebonite
  • D
    Silver

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Similar Questions

The concentration of electrons in an intrinsic semiconductor is $6 \times 10^{15} \,m^{-3}$. On doping with an impurity, the electron concentration increases to $4 \times 10^{22} \,m^{-3}$. In thermal equilibrium, the concentration of the holes in the doped semiconductor is:

What is an acceptor impurity? Write the names of such impurities.

$A$ $Ge$ specimen is doped with $Al$. The concentration of acceptor atoms is $10^{21} \text{ atoms}/m^3$. Given that the intrinsic concentration of electron-hole pairs is $10^{19} /m^3$, the concentration of electrons in the specimen is:

$A$ transistor is a/an

Why are elemental dopants for Silicon or Germanium usually chosen from group $XIII$ or group $XV$?

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