Home
Class 12
PHYSICS
Assertion : A pure semiconductor has neg...

Assertion : A pure semiconductor has negative temperature coefficient of resistance.
Reason: On raising the temperature, more charge carriers are released,. conductance increases and resistance decreases.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2009

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • AIIMS 2011

    AIIMS PREVIOUS YEAR PAPERS|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

The positive temperature coefficient of resistance is for

The temperature coefficient of resistance of a conductor is

The solids which have negative temperature coefficient of resistance are:

The temperature coefficient of resistance of a semiconductor

Which of the following has negative temperature coefficient of resistance?

The temperature coefficient of resistance of a semi conductor is

Temperature Coefficient Of Resistivityof Resistance

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2010-PHYSICS
  1. Assertion : Two balls of different masses are thrown vertically upward...

    Text Solution

    |

  2. Assertion : In javelin throw, the athlete throws the projectile at a...

    Text Solution

    |

  3. Assertion : The apparent weight of a body in an elevator moving with...

    Text Solution

    |

  4. Assertion : An electric field is preferred in comparison to magnetic f...

    Text Solution

    |

  5. Assertion : A horse has to pull a cart harder during the first few ste...

    Text Solution

    |

  6. Assertion : The magnetic poles of earth do not coincide with the geogr...

    Text Solution

    |

  7. Assertion : Electromagnetic waves are transverse in nature Reason : ...

    Text Solution

    |

  8. Assertion : A wheel moving down a perfectly frictionless inclined plan...

    Text Solution

    |

  9. Assertion : A hollow shaft is found to be stronger than a solid shaf...

    Text Solution

    |

  10. Assertion : Water kept in an open vessel will quickly evaporate on the...

    Text Solution

    |

  11. Assertion : A pure semiconductor has negative temperature coefficient ...

    Text Solution

    |

  12. Statement-1 : At a fixed temperature, silicon will have a minimum cond...

    Text Solution

    |

  13. Assertion : Communication in UHF/VHF regions can be established by spa...

    Text Solution

    |

  14. Assertion : If objective and eye lenses of a microscope are interchang...

    Text Solution

    |

  15. Statement 1: If a proton and an alpha-particle enter a uniform magneti...

    Text Solution

    |

  16. Assertion : If momentum of a body increases by 50%, its kinetic energy...

    Text Solution

    |

  17. Assertion : The difference in the value of acceleration due to gravity...

    Text Solution

    |

  18. Assertion : It is advantageous to transmit electric power at high volt...

    Text Solution

    |

  19. Assertion: X-ray astronomy is possible only from satellites orbiting t...

    Text Solution

    |

  20. Assertion: The de-broglie wavelength equation has significance for any...

    Text Solution

    |