हिंदी

In the Following Diagram, is the Junction Diode Forward Biased Or Reverse Biased ? - Physics

Advertisements
Advertisements

प्रश्न

In the following diagram, is the junction diode forward biased or reverse biased ?

उत्तर

(a) Reverse Biased

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2016-2017 (March) All India Set 1

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

What is the use of Zener diode?


Show on a graph, the variation of resistivity with temperature for a typical semiconductor.


With reference to semi-conductors answer the following : 

(i) What is the change in the resistance of the semi-conductor with increase in temperature ?

(ii) Name the majority charge carriers in n-type semi-conductor.

(iii) What is meant by doping ?


Of the diodes shown in the following diagrams, which one is reverse biased?


The expected energy of the electron at absolute zero is called:-


Consider an npn transistor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?

  1. Electrons crossover from emitter to collector.
  2. Holes move from base to collector.
  3. Electrons move from emitter to base.
  4. Electrons from emitter move out of base without going to the collector.

In the depletion region of a diode ______.

  1. there are no mobile charges.
  2. equal number of holes and electrons exist, making the region neutral.
  3. recombination of holes and electrons has taken place.
  4. immobile charged ions exist.

The graph of potential barrier versus width of depletion region for an unbiased diode is shown in graph A. In comparison to A, graphs B and C are obtained after biasing the diode in different ways. Identify the type of biasing in B and C and justify your answer

‘A’ ‘B’ ‘C’

Answer the following giving reasons:

A p-n junction diode is damaged by a strong current.


Draw a labelled characteristic curve (l-V graph) for a semiconductor diode during forward bias.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×