Home
Class 12
PHYSICS
The current through a semiconductor is c...

The current through a semiconductor is carried by

A

electrons

B

electrons and holes

C

holes

D

positive ions

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2020

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS (CATEGORY-III)|3 Videos

  • QUESTION PAPER 2008

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS|38 Videos

Similar Questions

Explore conceptually related problems

n-type semiconductors are ?

Semiconductors are used as

The current through a straight current carrying conductor is i, what will he the magnetic'induction at any point on the wire:

Statement I : A magnetic needle which can rotate in a horizontal plane undergoes a deflection when current is passed through a conducting wire, placed above and parallel to it. Statement II : A magnetic field is developed around a current carrying conductor.

If 720 C charge flows through a conductor in 2 minutes, the current-strength through the conductor will be

A current is passed through a conducting spring . Then the spring

If a current of 3 A flows through a conductor for 10 minutes, then calculate the amount of charges that flows through the conductor in that time.

Find the current through an ideal p- n junction diode asshown is figure is :

In the circuit shown the current through 2 Omega resistance is

A long straight current carrying wire passes normally through the centre of circular loop. If the current through the wire increases, will there be an induced emf in the loop? Justify.

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2007-PHYSICS
  1. If the displacement (X) of the medium in the x-direction at a point x ...

    Text Solution

    |

  2. Which of the following equations is Einstein's equation related to pho...

    Text Solution

    |

  3. An object of mass m is projected at an angle 60^(@) (with horizontal a...

    Text Solution

    |

  4. The temperature at which the r.m.s velocity of constituent gas particl...

    Text Solution

    |

  5. A body is floating partially immersed in a liquid. If the body and the...

    Text Solution

    |

  6. 300 grams of water at 80^(@)C are poured on a large block of ice at 0^...

    Text Solution

    |

  7. If three bulbs of ratings 60W, 75W and 100 W are connected to 220 v ma...

    Text Solution

    |

  8. The current through a semiconductor is carried by

    Text Solution

    |

  9. An alternating voltage (E) varies with time (t) in a circuit which is ...

    Text Solution

    |

  10. The temeprature of a star can be determined using

    Text Solution

    |

  11. The average rise in temperature produced in a resistance carrying a ti...

    Text Solution

    |

  12. The work done in carrying a charge q once round a circle of radius r w...

    Text Solution

    |

  13. A nuclear reaction is given by ""(7)N^(14)+""(2)He^(4)to""(8)O^(17)+x ...

    Text Solution

    |

  14. Which of the following is a vector quantity?

    Text Solution

    |

  15. Total internal reflection takes place when light moves from a medium ...

    Text Solution

    |

  16. Two wires of same material have length L and L/2 and radius r and r/2 ...

    Text Solution

    |

  17. A cyclist is moving along a curvature of radius r at a constant speed ...

    Text Solution

    |

  18. Slope of an isothermal curve is always

    Text Solution

    |

  19. The objective of a compound microscope whose magnifying power is 100, ...

    Text Solution

    |

  20. A rod of length l, Young's modulus Y and linear thermal expansion coef...

    Text Solution

    |