MCQ
A donor impurity results in ______.
  • A
    holes as majority carriers and electrons as minority carriers
  • production of n-type semiconductor
  • C
    production of p-type semiconductor
  • D
    conduction band just above the filled valence band

Answer

Correct option: B.
production of n-type semiconductor
B

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

An obstacle is moving towards the source with velocity $v.$ The sound is reflected from the obstacle. If $c$ is the speed of sound and $A.$ is the wavelength, then the wavelength of the reflected wave $\lambda _r$ is
If $\sin \theta=-\frac{12}{13}, \cos \Phi=-\frac{4}{5}$ and $\theta, \Phi$ lie in the third quadrant, then $\tan (\theta-\Phi)=$_________
Which among the following is an example of allylic alcohol?
If y = `2/(sqrt(a^2 - b^2))tan^-1[sqrt((a - b)/(a + b)) tan x/2], "then" (d^2y)/dx^2|_{x = pi/2}` = ______
Which organization provided the following definition of biotechnology?

'Biotechnology is the application of scientific and engineering principles to the processing of materials by biological agents to provide goods and service to the human welfare'.

The angle of intersection of curves $x=y^2, 3 y=5-2 x^3$ at $(1,1)$ is ______.
Ajit's mother has visited a lake & on returning home she was so excited that she jumbled up the sequence of hydrarch succession. How does Ajit arrange the sequence correctly from center to periphery?
Which of the following is one of the basic elements considered in green revolution?
A water film is formed between the two straight parallel wires, each of length $10 \ cm$, kept at a separation of $0.5 \ cm$. Now, the separation between them is increased by $1 mm$ without breaking the water film. The work done for this is $..........($ surface tension of water $= 7.2 x 10^{-2}Nm^{-1})$
Four mangoes and five apples are in a box. If two fruits are chosen at random, then find the probability that one is a mango and other is an apple ______.