MCQ
What are majority carriers in a semiconductor?
  • A
    Holes in n-type and electrons in p-type.
  • B
    Holes in n-type and p-type both.
  • C
    Electrons in n-type and p-type both.
  • Holes in p-type and electrons in n-type.

Answer

Correct option: D.
Holes in p-type and electrons in n-type.
Holes in p-type and electrons in n-type.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A person with machine gun can fire $50 g$ bullets with a velocity of $240 m / s$. A $60 kg$ tiger moves towards him with a velocity of $12 m / s$. In order to stop the tiger in track, the number of bullets the person fires towards the tiger is
The two stars $S_1$ and $S_2$ are located at distances $d_1$ and $d_2$ respectively. Also if $d_1 > d2_2$ then following statement is true.
The direction of $EM$ wave is given by
Calculate angular velocity of earth so that acceleration due to gravity at $60^{\circ}$ latitude becomes zero. (Radius of earth $=6400 km$, gravitational acceleration at poles $=10 m / s ^2, \cos 60^{\circ}=0.5$ )
A force of $2.25 N$ acts on a charge of $15 \times 10^{-4}C.$ Calculate the intensity of electric field at that point.
A stone falls freely under gravity. It covers distances $h_1$, $h_2$ and $h_3$ in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between $h_1$ ,$h_2$ and $h_3$ is
A particle moves along a circle with a uniform speed v. After the position vector has made an angle of $30^{\circ}$ with the reference position, its speed will be
The process of superimposing a low frequency signal on a high frequency wave is …………….
A planet is revolving around a star in a circular orbit of radius $R$ with a period $T.$ If the gravitational force between the planet and the star is proportional to $R^{-3/2},$ then
The velocity of sound in a gas is 340 m/s at the pressure P, what will be the velocity of the gas when only pressure is doubled and temperature same?