Home
Class 12
PHYSICS
Copper and silicon is cooled from 300 K ...

Copper and silicon is cooled from 300 K to 60 K, the specific resistance

A

decrease in copper but increase in silicon

B

increase in copper but increase in silicon

C

increase in both

D

decrease in both

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 2|16 Videos

  • REVISION DPP

    RESONANCE|Exercise All Questions|444 Videos

  • SIMPLE HARMONIC MOTION

    RESONANCE|Exercise Advanced Level Problems|13 Videos

Similar Questions

Explore conceptually related problems

A semiconductor is cooled form T_(1)K to T_(2)K . Its resistance

Two pieces one of germinium and the other of aluminium are cooled from T_(1) K to T_(2) K . The resistance of

A piece of copper and another of germanium are cooled from room temperature to 77 K, the resistance of -

In a closed vessel, a gas is heated from 300 K to 600 K the kinetic energy becomes/remains

RESONANCE-SEMICONDUCTORS-Exercise 3
  1. The following circuit represents:

    Text Solution

    |

  2. The current (I) in the circuit will be:-

    Text Solution

    |

  3. Copper and silicon is cooled from 300 K to 60 K, the specific resistan...

    Text Solution

    |

  4. In a p- n junction diode not connected to any circuit,

    Text Solution

    |

  5. For a transistor (I(C))/(I(E))=0.96, then current gain for common emit...

    Text Solution

    |

  6. For the given circuit of PN-junction diode, which of the following sta...

    Text Solution

    |

  7. Barrier potential of a p-n junction diode does not depend on

    Text Solution

    |

  8. Of the diodes shown in the following diagrams, which one is reverse bi...

    Text Solution

    |

  9. In semiconductor at a room temperature

    Text Solution

    |

  10. The output of OR gate is 1

    Text Solution

    |

  11. Zener diode is used as

    Text Solution

    |

  12. Carbon , silicon and germanium have four valence elcectrons each . The...

    Text Solution

    |

  13. Application of a forward biase to a p-n junction:

    Text Solution

    |

  14. A transistor -oscillator using a resonant circuit with an inductor L (...

    Text Solution

    |

  15. A transistor is operated in common emitter configuration at constant c...

    Text Solution

    |

  16. A forward biased diode is

    Text Solution

    |

  17. A photocell employs photoelectric effect to convert

    Text Solution

    |

  18. The radius of germanium (Ge) nuclide is measured to be twice the radiu...

    Text Solution

    |

  19. Semiconductor Ge has forbidden gap of 1.43 eV. Calculate maximum wavel...

    Text Solution

    |

  20. In the following circuit, the output Y for all possible inputs A and B...

    Text Solution

    |