MHT CET · Physics · Semiconductors
In unbiased p-n junction diode
- A the potential is same everywhere.
- B there is an electric field at the junction directed from the p-type side to the n-type side.
- C there is an electric field at the junction directed from the n-type side to p-type side.
- D the p-type side is at higher potential than the n-type side.
Answer & Solution
Correct Answer
(C) there is an electric field at the junction directed from the n-type side to p-type side.
Step-by-step Solution
Detailed explanation
there is an electric field at the junction directed from the n-type side to p-type side.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- The intensity of light coming from one of the slits in Young's double slit experiment is double the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed isMHT CET 2024 Medium
- Two incident radiations having energies two times and ten times of the work function of a metal surface, produce photoelectric effect. The ratio of maximum velocities of emitted photo electrons respectively isMHT CET 2020 Easy
- When wavelength of incident radiation on the metal surface is reduced from ' \(\lambda_1\) ' to ' \(\lambda_2\) ' the kinetic energy of emitted photoelectrons is tripled. The work function of metal \([\mathrm{h}=\) Plank 's constant, c = velocity of light]MHT CET 2021 Easy
- A can filled with water is revolved in a vertical circle of radius \(r\) with constant speed and water just does not fall down. The time period of revolution is \((g=\) acceleration due to gravity)MHT CET 2022 Medium
- A thin uniform rod of length ' \(L\) ' and mass ' \(M\) ', is swinging freely along a horizontal axis passing through its centre. Its maximum angular speed is ' \(\omega\) '. Its centre of mass rises to a maximum height of [g= gravitational acceleration]MHT CET 2024 Hard
- A step-up transformer operates on \(220 \mathrm{~V}\) and supplies current of \(2 \mathrm{~A}\). The ratio of primary and secondary windings is \(1: 20\). The current in the primary isMHT CET 2021 Medium
More PYQs from MHT CET
- What is the conductivity of 0.05 M NaOH solution having resistance 31.5 ohm and cell constant \(0.315 \mathrm{~cm}^{-1}\) ?MHT CET 2024 Easy
- In the population of 10,000 sheep, 4900 have homozygous dominant genotype (AA) and 4200 are heterozygous (Aa) sheep. The remaining sheep has homozygous recessive genotype (aa). Find out the frequency of Homozygous dominant allele as per Hardy-Weinberg's principle?MHT CET 2023 Hard
- Following is the probability distribution of smart phones sold in a shop per day

Then \(E(x)=\)MHT CET 2022 Easy - What is the cell constant, if two platinum electrodes in conductivity cell are separated by 0.92 cm and area of cross section is \(1.2 \mathrm{~cm}^2\) ?MHT CET 2024 Easy
- Which of the following amines acts as strongest base?MHT CET 2021 Medium
- The function \(\mathrm{f}(\mathrm{x})=\log (1+\mathrm{x})-\frac{2 \mathrm{x}}{2+\mathrm{x}}\) is increasing onMHT CET 2021 Easy