Home
Class 12
PHYSICS
When n-p-n transistor is used as an ampl...

When n-p-n transistor is used as an amplifier

A

Electrons move from base to collector

B

Holes move from emitter to base

C

Electrons move from collector to base

D

Holes moves from base to emitter

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section -B (Objective type question (one option is correct))|29 Videos

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section -C(Linked comprehension type question))|3 Videos

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Try yourself|20 Videos

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Try Yourself|63 Videos

Similar Questions

Explore conceptually related problems

When an n-p-n transistor is used as an amplifier, then

When NPN transistor is used as an amplifier

With the help of a labelled circuit diagram, explain how an n-p-n transistor can be used as an amplifier in common-emitter configuration. Explain how the input and output voltages are out of phase by 1800 for a common-emitter transistor amplifier.

In an n-p-n transistor

Which of the following statement is true for a p-n-p transistor when used in an amplifier circuit?

A p-n-p transistor is used as common base amplifier as V_(eb) =3V . When its emitter current changes from 13.4 mA to 20.14 mA its collector current changes from 13.4 mA to 19.9 mA. Its current gain will be

AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -A (Objective Type question (One option is correct))
  1. In the energy band diagram of a material shown below, the open circles...

    Text Solution

    |

  2. An oscillator is nothing but an amplifier with

    Text Solution

    |

  3. When n-p-n transistor is used as an amplifier

    Text Solution

    |

  4. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

    Text Solution

    |

  5. a common emitter amplifier gives an output of 3V for an input of 0.01 ...

    Text Solution

    |

  6. In a common emitter amplifier, the phase difference between the input ...

    Text Solution

    |

  7. In a common emitter amplifier the input signal is applied across

    Text Solution

    |

  8. The concentration of impurities in a transistor is

    Text Solution

    |

  9. In a transistor, the collector current is always · less then the emitt...

    Text Solution

    |

  10. The minimum potential difference between the base and emitter required...

    Text Solution

    |

  11. Which of the following represents NAND gate ?

    Text Solution

    |

  12. The circuit is equivalent to

    Text Solution

    |

  13. The output y, when all three inputs are first high and then low, will ...

    Text Solution

    |

  14. A silicon specimen is made into a P-type semiconductor by doping, on a...

    Text Solution

    |

  15. Consider the junction diode is ideal. The value of current through the...

    Text Solution

    |

  16. Negative feedback

    Text Solution

    |

  17. The current obtained from a simple filterless reactifier is

    Text Solution

    |

  18. The depletion region of p-n junction has a thickness of the order of

    Text Solution

    |

  19. In a properly biased transistor-

    Text Solution

    |

  20. In an n-p-n transistor, the collector current is 10 mA. If 90% of the ...

    Text Solution

    |