Home
Class 12
PHYSICS
In a transistor emitter-base junction is...

In a transistor emitter-base junction is always forward biased while the collector-base junction is reverse biased. Why ?

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2016

    UNITED BOOK HOUSE|Exercise EXERCISE|49 Videos

  • QUESTION PAPER 2018

    UNITED BOOK HOUSE|Exercise EXAMPLE|75 Videos

Similar Questions

Explore conceptually related problems

If a p-n junction is reverse biased then

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

When a p-n junction is reverse biased then

Emitter base connection is kept in forward bias — why?

Under normaI use of transistors, the emitter is forwerd biased whiIe the coIIector is reverse biased. Can either of these biasing be changed? ExpIain.

In the active region of a transistor the biasisng at the emitter-base junction and collector - base junction are respectively

In which region will a transistor act if both emitter -base and collector-base junctions are reverse biased?

In which region will a transistor act if both emitter -base and collector-base junctions are forward biased?

In a transistor the forward bias is aIways smaII as compared to the reverse bias. Why?

Draw the circuit diagram of a forward biased and reverse biased p-n junction diode.

UNITED BOOK HOUSE-QUESTION PAPER 2017-EXERCISE
  1. In a nuclear decay, a nucleus emits one alpha-particle and then two be...

    Text Solution

    |

  2. If two inputs of a NAND gate are joined, what type of a gate is formed...

    Text Solution

    |

  3. State one difference between n-type and p-type semiconductors.

    Text Solution

    |

  4. In a transistor emitter-base junction is always forward biased while t...

    Text Solution

    |

  5. Show that equivalent resistance in parallel combination is always less...

    Text Solution

    |

  6. How can the sensitivity of a potentimeter be increased ?

    Text Solution

    |

  7. A Potentiometer has 10 wires each of 1 metre length and the total resi...

    Text Solution

    |

  8. Draw a graph representing the change in specific resistance with tempe...

    Text Solution

    |

  9. Find the equivalent resistance between the two ends A and B of the fol...

    Text Solution

    |

  10. Define lost volt,State the factors on which the internal resistance of...

    Text Solution

    |

  11. Define Wattless current.

    Text Solution

    |

  12. Show that Lenz's law obeys the law of conservation of enrgy.

    Text Solution

    |

  13. Show that in a.c. circuit the, average power dissipated per cycle in a...

    Text Solution

    |

  14. Compare between inductive reactance and capacitive reactance.

    Text Solution

    |

  15. State the factors on which the peak value of alternating emf depend.

    Text Solution

    |

  16. In an LCR series combination, R=400Omega , L=100 mH and C=1muF. This c...

    Text Solution

    |

  17. In an LCR series combination, R=400Omega , L=100 mH and C=1muF. This c...

    Text Solution

    |

  18. With diagram, state the reason for short sightedness and mention its r...

    Text Solution

    |

  19. In a certain midium the path difference 5xx10^-5 cm corresponds to a p...

    Text Solution

    |

  20. The optic axes of two polaroids are inclined at an angle of 45@ with e...

    Text Solution

    |