Home
Class 12
PHYSICS
Germanium and silicon belong to the 4^(t...

Germanium and silicon belong to the `4^(th)` group of periodic table. Hence each atom of Ge or Si will have

A

two valence electrons

B

four valence electrons

C

three valence electrons

D

one valence electron.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Competitive thinking|110 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

  • ROTATIONAL MOTION

    TARGET PUBLICATION|Exercise MCQ|245 Videos

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

Similar Questions

Explore conceptually related problems

Ozone belong to which group of the periodic table ?

Ozone belongs to which groups of the periodic table?

Ozone belongs to group 16 of the periodic table.

Metals belonging to the same group in the periodic table are

The element of the 17th group of the periodic table is likely to be

How many groups belong to the s-block of the periodic table ?

Unniltrium belongs to which block and group of the periodic table?

TARGET PUBLICATION-SEMICONDUCTORS-Critical thinking
  1. Resistivity of pure germanium crystal at room temperature is in order ...

    Text Solution

    |

  2. In a pure silicon (n(i)=10^(16)//m^(3)) crystal at 300K, 10^(21) atoms...

    Text Solution

    |

  3. Germanium and silicon belong to the 4^(th) group of periodic table. He...

    Text Solution

    |

  4. At room temperature, electrical conductivity of semiconductor is

    Text Solution

    |

  5. After doping, resistivity of a semiconductor

    Text Solution

    |

  6. In a semiconductor diode p-side is earthed and N-side is applied a pot...

    Text Solution

    |

  7. The electrical conductivity of a p-type semiconductor is determined by...

    Text Solution

    |

  8. A diode converts A.C. voltage into a//an

    Text Solution

    |

  9. The order of thickness of depletion region in p-n junction is

    Text Solution

    |

  10. Ripple frequency at the output of bridge rectifier when the transforme...

    Text Solution

    |

  11. A zener diode has a breakdown voltage of 5 V with a maximum power diss...

    Text Solution

    |

  12. In a zener regulator, if source voltage is 30 V, series resistance is ...

    Text Solution

    |

  13. For obtaining maximum power from a solar cell, it should be operated i...

    Text Solution

    |

  14. A typical solar cell develops a voltage of about

    Text Solution

    |

  15. LED constructed by silicon carbide, zinc selenide emit radiation of……....

    Text Solution

    |

  16. npn transistors are preferred to pnp transistors because they have

    Text Solution

    |

  17. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

    Text Solution

    |

  18. Statement-1 : A transistor with common emitter mode has current gain 5...

    Text Solution

    |

  19. In transistor, forward bias is always smaller than the reverse bias. T...

    Text Solution

    |

  20. Current amplification factor in CE mode amplifier is 99. If the input...

    Text Solution

    |