Home
Class 12
PHYSICS
In n-p-n transistor, the p-type crystal ...

In n-p-n transistor, the p-type crystal acts as

A

base only

B

collector only

C

emitter only

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|405 Videos
  • STATIONARY WAVES

    NIKITA PUBLICATION|Exercise MCQs|396 Videos

Similar Questions

Explore conceptually related problems

In p-n-p transistor , the p type crystal acts as

In an n-p-n transistor

In a p-n-p transistor, the n-type crystal works as a

In an n-p-n transistor, the emitter current is always less than the emitter current, because

In n-p-n transistor the emitter current will be equal to

In an n-p-n transistor , the base current is 100 muA and the collector current is

In n-p-n transistor, what are the current carriers inside and outside the transistor circuit?

In case of an n-p-n transistor, the collector current is always less than the emitter current, because

In an n-p-n transistor, the collector current is 10 mA. If 90% of the electrons emitted reach the collector, then the emitter current will be

NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. The current gain of a transistor is defined as

    Text Solution

    |

  2. Transistors may not replace vacuum tubes in all uses because

    Text Solution

    |

  3. In n-p-n transistor, the p-type crystal acts as

    Text Solution

    |

  4. A transistor is used in the common emitter mode as an amplifier . Then

    Text Solution

    |

  5. Which of the following element is used in making transistors ?

    Text Solution

    |

  6. In transistor symbols, the arrows shows the direction of-

    Text Solution

    |

  7. In an n-p-n transistor, the emitter current is always less than the em...

    Text Solution

    |

  8. In case of an n-p-n transistor, the collector current is always less t...

    Text Solution

    |

  9. In a transistor circuit, the emitter current is 50 mA and base current...

    Text Solution

    |

  10. In p-n-p transistor , the p type crystal acts as

    Text Solution

    |

  11. npn transistors are preferred to pnp transistors because they have

    Text Solution

    |

  12. How is the emitter base junction in the transistor biasing ?

    Text Solution

    |

  13. In a transistor with normal bias, the emitter base junction

    Text Solution

    |

  14. The main current, crossing the collector junction in a normally biased...

    Text Solution

    |

  15. Which of the following is not the disadvantage of transistor over a tr...

    Text Solution

    |

  16. A radio or T.V. set which uses valves does not start operating immedia...

    Text Solution

    |

  17. The emitter base junction is forward biased and the base collector jun...

    Text Solution

    |

  18. The part of a transistor which is heavily doped to produce a large num...

    Text Solution

    |

  19. In a transistor, I(c) = 20 mA, I(b) =1 mA. What will be the value of a...

    Text Solution

    |

  20. In a p-n-p transistor the emitter current is 10 mA and the collector c...

    Text Solution

    |