In a $p$-type semiconductor,which of the following statements is true?
- AElectrons are majority charge carriers and trivalent atoms are the dopants.
- BHoles are minority carriers and pentavalent atoms are the dopants.
- CElectrons are minority charge carriers and pentavalent atoms are the dopants.
- DHoles are majority carriers and trivalent atoms are the dopants.
Explore More
Similar Questions
In which of the following statements is the obtained impure semiconductor of $p$-type?
$A$ pure semiconductor crystal has $8 \times 10^{28} \text{ atoms/m}^3$. It is doped with a $2 \text{ ppm}$ concentration of pentavalent atoms. The number of holes formed in the semiconductor crystal is (Intrinsic carrier concentration,$n_i = 1 \times 10^{16} \text{ m}^{-3}$).
An intrinsic semiconductor is electrically neutral. What is the electrical state of an extrinsic semiconductor?
Easy
View SolutionThe Bohr radius of the fifth electron of phosphorus (atomic number $Z = 15$) acting as a dopant in silicon (relative dielectric constant $\varepsilon_r = 12$) is ....... $\mathring{A}$.
Medium
View SolutionPure $Si$ at $500\, K$ has equal number of electron $(n_e)$ and hole $(n_h)$ concentrations of $1.5 \times 10^{16}\, m^{-3}$. Doping by indium increases $n_h$ to $4.5 \times 10^{22}\, m^{-3}$. The doped semiconductor is of
Difficult
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo