Home
Class 12
PHYSICS
At very low temperature , a semi-conduc...

At very low temperature , a semi-conductor becomes

A

Conductor

B

Superconductor

C

Insulator

D

Inductor

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 10

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

  • MODEL TEST PAPER 4

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

If the current in a conductor is doubled, the rate of rise of temperature in the conductor will be assuming that there is no loss of heat from the conductor.

Define temperature gradient in a conductor.

Fe_(3)O_(4) is ferrimagnetic at room temperature but at 850 K it becomes :

Ohms law is valid when the temperature of the conductor is

With decrease in temperature, oxyhaemoglobin curve will become

Smog that occurs due to low temperature and has reducing environment is

A 5^@C rise in temperature is observed in a conductor by passing a current. When the current is doubled what is the approximate rise in temperature ?

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(PHYSICS)
  1. The galvanometer constant of a tangent galvanometer depends upon :

    Text Solution

    |

  2. A unit cube of copper and iron have

    Text Solution

    |

  3. At very low temperature , a semi-conductor becomes

    Text Solution

    |

  4. The resistance of a shunt which should be connected across a galvanome...

    Text Solution

    |

  5. What is a magnet ?

    Text Solution

    |

  6. The susceptibility of a ferromagnetic substance is

    Text Solution

    |

  7. Mention the SI unit of magnetising field.

    Text Solution

    |

  8. The electric flux of a surface enclosing an electric dipole is

    Text Solution

    |

  9. A line joining places of equal declinaiton is called

    Text Solution

    |

  10. Give an example for a ferromagnetic substance.

    Text Solution

    |

  11. The unit of magnetic induction B in SI is :

    Text Solution

    |

  12. Light waves can be polarised as they are

    Text Solution

    |

  13. Which one of the following is true?

    Text Solution

    |

  14. Two monochromatic coherent point sources S(1) and S(2) are separated b...

    Text Solution

    |

  15. A source of sound gives five beats per second when sounded with anothe...

    Text Solution

    |

  16. Two identical stringed instruments have a frequency of 100 Hz. The ten...

    Text Solution

    |

  17. Speed of sound in a gas is v and rms velocity of the gas molecules is ...

    Text Solution

    |

  18. A source frequency f gives t beats when sounded with a frequency 200Hz...

    Text Solution

    |

  19. In a parallel arrangement if (R1 gt R2), then the power dissipated in ...

    Text Solution

    |

  20. A uniform insulating rod of length L moves with a velocity bar(upsilon...

    Text Solution

    |