Which of the following statements is true?

  • A
    Doping of pure $Ge$ with a trivalent impurity gives an $n$-type semiconductor.
  • B
    Resistivity of pure $Ge$ increases with temperature.
  • C
    Majority carriers in $p$-type semiconductor are holes.
  • D
    Doping of pure $Ge$ with a pentavalent impurity increases its resistivity.

Explore More

Similar Questions

Which type of impurity is to be added to a pure semiconductor to get a $p$-type semiconductor?

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

The impurity atoms which are mixed with pure silicon to make a $P$-type semiconductor are those of:

In a $P$-type semiconductor,there is

If $n_e$ and $n_h$ are electron and hole concentrations in an extrinsic semiconductor and $n_i$ is the intrinsic carrier concentration, then:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo