Home
Class 12
PHYSICS
When p-n junction diode is forward biase...

When `p-n` junction diode is forward biased then

A

both the depletion region and barrier height are reduced

B

the depletion region is widened and barrier height is reduced

C

the depletion region is reduced and barrier height is increased

D

both the depletion region and barrier height are increased

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEMI CONDUCTOR AND LOGIC GATES

    MOTION|Exercise EXERCISE 2|33 Videos

  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

  • SIMPLE HARMONIC MOTION

    MOTION|Exercise EXERCISE -3 Section - B Previous Year Problems | JEE MAIN|23 Videos

Similar Questions

Explore conceptually related problems

When a p-n junction diode is forward biased, the flow of current across the junction is mainly.

When p- n junction diode is forward baised them

When a p-n junction diode is forward biased how will its barrier potential affected

When a p-n junction diode is reverse biased

When a p-n junction diode is reverse biased the flow of current across the junction is mainly due to

When p-n junction is forward biased, the current across the junction is mainly due to

The resistance of an ideal p-n junction diode in forward biased condition is

p-n junction is called as forward biased when

A p-n junction diode is reverse biased. Then

MOTION-SEMI CONDUCTOR AND LOGIC GATES-EXERCISE 3
  1. A piece of copper and another of germanium are cooled from room temper...

    Text Solution

    |

  2. The manifestation of band structure in solids is due to

    Text Solution

    |

  3. When p-n junction diode is forward biased then

    Text Solution

    |

  4. The electrical conductivity of a semiconductor increases when electrom...

    Text Solution

    |

  5. In a full wave rectifier circuit operating from 50 Hz mains frequency ...

    Text Solution

    |

  6. In a common-base amplifier, the phase difference between the input sig...

    Text Solution

    |

  7. If the ratio of the concentration of electron to that of holes in a se...

    Text Solution

    |

  8. A solid which is not transperent to visible light and whose conductivi...

    Text Solution

    |

  9. In a common base mode of transistor, collector current is 5.488 mA for...

    Text Solution

    |

  10. If the lattice constant of this semiconductor is decreased, then which...

    Text Solution

    |

  11. In the following, which one of the diodes is reverse biased ?

    Text Solution

    |

  12. The circuit has two oppositely connected ideal diodes in parallel. Wha...

    Text Solution

    |

  13. If an a p-njunction, a square input signal of 10V is applied, as shown...

    Text Solution

    |

  14. Carbon , silicon and germanium have four valence electrons each . At r...

    Text Solution

    |

  15. A working transitor with its three legs marked P, Q and R is tested us...

    Text Solution

    |

  16. In the circuit below, A and B represent two inputs and C represents th...

    Text Solution

    |

  17. A p-n junction (D) shown in the figure can act as a rectifier. An alte...

    Text Solution

    |

  18. The logic circuit shown below has the input waveforms ‘A’ and ‘B’ as s...

    Text Solution

    |

  19. The combination of gates shown below yields

    Text Solution

    |

  20. Truth table for system of four NAND gates as shown in figure is

    Text Solution

    |