Home
Class 12
PHYSICS
Semiconductor is damaged by the strong c...

Semiconductor is damaged by the strong current due to

A

lack of free electron

B

excess of electrons

C

excess of protons

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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

Why is the semiconductor damaged by a strong current?

(i) A transistor has a current gain of 30. If the collector resistance is 6 K Omega and input resistance is 1 K Omega , calculate its voltage gain. (ii) Why is a semiconductor damaged by strong current ?

In a semiconductor diode, reserve bias current is due to drift of free electrons and holes caused by

When a battery is connected to a P -type semiconductor with a metallic wire, the current in the semiconductor (predominantly), inside the metallic wire and that inside the battery respectively due to

Through a semiconductor, an electric current is due to drift of

Intrinsic semiconductor is electrically neutral. Extrinsic semiconductor having large number of current carriers would be

when the electrical conductivity of a semiconductor is due to the breaking of its covalent bonds, then the semiconductor is said to be

The electron concentration in an n-type semiconductor is the same as hole concentration in a p-type semiconductor. An external field is applied across each of them. Compare the currents in them.

NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. When arsenic is added as an impurity to silicon, the resulting materia...

    Text Solution

    |

  2. Semiconductor of both p-type and n-type are produced by

    Text Solution

    |

  3. Semiconductor is damaged by the strong current due to

    Text Solution

    |

  4. A p-type semiconductor is (i) a silicon crystal doped with arsenic i...

    Text Solution

    |

  5. A hole in a P - type semiconductor is

    Text Solution

    |

  6. In an n-type semiconductor donor level is

    Text Solution

    |

  7. In a n-type semiconductor, which of the following statement is true?

    Text Solution

    |

  8. The forbidden energy gap is maximum in

    Text Solution

    |

  9. When boron is added as an impurity to silicon,the resulting material i...

    Text Solution

    |

  10. In P-type semiconductor the majority and minorty charge carriers are r...

    Text Solution

    |

  11. When a p-n junction diode is reverse biased the flow of current across...

    Text Solution

    |

  12. If the forward voltage in a diode is increased, the width of the deple...

    Text Solution

    |

  13. For rectifying an action, we use

    Text Solution

    |

  14. In a semiconductor diode, reserve bias current is due to drift of free...

    Text Solution

    |

  15. The depletion layer in P-N junction region is caused by

    Text Solution

    |

  16. A p-n junction diode is said to be forward biased, when a potential di...

    Text Solution

    |

  17. A diode converts A.C. voltage into

    Text Solution

    |

  18. A p-n junction diode can not be used

    Text Solution

    |

  19. When a p-n junction diode is reverse biased the flow of current across...

    Text Solution

    |

  20. In an unblased p-n junction, holes diffuse from the p - region to n- r...

    Text Solution

    |