Home
Class 12
PHYSICS
At absolute zero , Si acts as...

At absolute zero , Si acts as

A

non-metal

B

metal

C

insulator

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Semiconductors, like Si, Ge , act as insulators at low temperature.
Promotional Banner

Topper's Solved these Questions

  • NTA TPC JEE MAIN TEST 104

    NTA MOCK TESTS|Exercise PHYSICS (SUBJECTIVE NUMERICAL)|10 Videos

  • NTA TPC JEE MAIN TEST 106

    NTA MOCK TESTS|Exercise PHYSICS |29 Videos

Similar Questions

Explore conceptually related problems

Absolute zero is -

The temperature at absolute zero is

At absolute zero, the entropy of a pure crystal is zero. This is

At temperature of absolute zero an intrinsic semiconductor is

"A perfect crystalline substance has an entropy of zero at absolute zero" is a statement of

NTA MOCK TESTS-NTA TPC JEE MAIN TEST 105-PHYSICS
  1. If vec(E) and vec(B) represent electric and magnetic field vectors of ...

    Text Solution

    |

  2. In input in a full - wave rectifier is e=50 sin(314t)" volt", diode re...

    Text Solution

    |

  3. At absolute zero , Si acts as

    Text Solution

    |

  4. The electric field and the electric potential at a point are E and V r...

    Text Solution

    |

  5. The acceleration due to gravity at a depth R//2 below the surface of t...

    Text Solution

    |

  6. A vessel containing 1 g of oxygen at a pressure of 10 atm a temperatur...

    Text Solution

    |

  7. The earth's magnetic field always has a vertical component except at t...

    Text Solution

    |

  8. To measure the resistance of a galvanometer by half deflection method,...

    Text Solution

    |

  9. A tuning fork makes 256 vibrations per second in air. When the speed o...

    Text Solution

    |

  10. For a particle executing SHM, the kinetic energy (K) is given by K = K...

    Text Solution

    |

  11. The dimensions of a/b in the equation P=(a-t^(2))/(bx) where P is pre...

    Text Solution

    |

  12. A vessel contains oil (density 0.9" g "c c^(-1)) over mercury (density...

    Text Solution

    |

  13. Mass is non-uniformly distributed over the rod of length l, its linear...

    Text Solution

    |

  14. Three rings, each of mass P and radius Q are arranged as shown in the ...

    Text Solution

    |

  15. Water of volume 2 litre in a container is heated with a coil of 1kW at...

    Text Solution

    |

  16. A diatomic gas is used in car not heat engine having efficiency 80% . ...

    Text Solution

    |

  17. Kalpha wavelength emitted by an atom of atomic number Z=11 is lambda. ...

    Text Solution

    |

  18. A wire of length L and 3 identical cells of negligible internal resist...

    Text Solution

    |

  19. The position x of a particle with respect to time t along the x-axis i...

    Text Solution

    |

  20. A projectile is fired with velocity v(0) at angle 60^(@) with horizont...

    Text Solution

    |