Home
Class 12
PHYSICS
A p-n junction diode has breakdown volta...

A `p-n` junction diode has breakdown voltage of `28V`. If applied external in reverse bias is `40 V` the current through it is

A

Zero

B

infinite

C

`10 A`

D

`15 A`

Text Solution

Verified by Experts

The correct Answer is:
B
Since `V_(a) gt V_(b)`.
Promotional Banner

Topper's Solved these Questions

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise NCERT (Comprehension)|13 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE- 4 One or more than one correct answer type|13 Videos

  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise ADDITIONAL EXERCISE (ASSERTION AND REASON TYPE QUESTIONS :)|19 Videos

Similar Questions

Explore conceptually related problems

A p-n junction diode which has sharp breakdown

p-n junction in reverse bias behaves like

In the figure, the reverse breakdown voltage of a Zener diode is 5.6V, then the current I_(Z) through the diode is

Draw a p-n junction with reverse bias

A Zener diode of breakdown voltage "10V" is used as a voltage regulator as shown in the figure. The current through the Zener diode is:

A p-n junction diode has a forward bias resistance of 10 Omega and a reverse bias resistance of 10 k Omega . It is connected in series with a resistance of 990 Omega and a.d.c. source of 5V in such a way that the negative terminal of the source is connected to then region of the p-n junction. What is the current flowing in the circuit?

A zener diode having breakdown voltage equal to 15V, is used in a voltage regulator circuit shown in figure. Find the current through the diode.

NARAYNA-SEMI CONDUCTOR DEVICES-Level-I (H.W)
  1. A semiconductor is known to have an electron concentration of 5 xx 10^...

    Text Solution

    |

  2. A potential barrier of 0.50V exists a p-n junction. If the width of de...

    Text Solution

    |

  3. A p-n junction diode has breakdown voltage of 28V. If applied external...

    Text Solution

    |

  4. The value of current in the following diagram is (diode assumed to be ...

    Text Solution

    |

  5. A half-wave rectifier is used to convert 50 Hz A.C. to D.C voltage. Th...

    Text Solution

    |

  6. If a full wave rectifier circuit is operating from 50 Hz mains, the fu...

    Text Solution

    |

  7. In an npn transistor the base the collector currents are 100 muA and 9...

    Text Solution

    |

  8. A change of 8mA in the emitter current brings a change if 7.9 mA in th...

    Text Solution

    |

  9. For a p-n-p transistor in CB configuration, the emitter current I(E) i...

    Text Solution

    |

  10. If a change of 100 mu A in the base current of an n-p-n transistor in ...

    Text Solution

    |

  11. For a common emitter amplifier, current gain is 70. If the emitter cur...

    Text Solution

    |

  12. The base current of a transistor is 105 mu A and the collector current...

    Text Solution

    |

  13. For a transistor the value of alpha is 0.9. beta value is

    Text Solution

    |

  14. For a transistor the current amplification factor is 0.8 The transisto...

    Text Solution

    |

  15. A change of 400 mV in base-emitter voltage causes a change of 200 mu A...

    Text Solution

    |

  16. In a common base circuit, if the collector base voltage is changed by ...

    Text Solution

    |

  17. A common emitter transistor amplifier has a current gain of 50. If the...

    Text Solution

    |

  18. Equivalent of decimal number 8 in the binary number is

    Text Solution

    |

  19. The equivalent of 110 in the decimal number is

    Text Solution

    |

  20. If A=1,B=0 then the value of overline (A) + B in terms of Boolean alge...

    Text Solution

    |