Home
Class 12
PHYSICS
In a semiconductor,...

In a semiconductor,

A

there are no free electrons at 0K

B

there are no free electorns at any temperature

C

the number of free electrons increases with temperature

D

the number of free electrons is less that in a conductor.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEMICONDUCTOR AND SEMICONDUCTOR DEVICES

    HC VERMA|Exercise objective II|1 Videos

  • SEMICONDUCTOR AND SEMICONDUCTOR DEVICES

    HC VERMA|Exercise exercises|35 Videos

  • SEMICONDUCTOR AND SEMICONDUCTOR DEVICES

    HC VERMA|Exercise Objective 1|15 Videos

  • PHOTOMETRY

    HC VERMA|Exercise Exercises|16 Videos

  • SPEED OF LIGHT

    HC VERMA|Exercise Exercises|3 Videos

Similar Questions

Explore conceptually related problems

Introduction to semiconductors and semiconductors devices

When an impurity is doped into an intrinsuc semiconductor,the conductivity of the semiconductor

Knowledge Check

  • Increase in temperature of a semiconductor , will be

    A
    increase the conductivity
    B
    decrease the conductivity
    C
    not effect the conductivity
    D
    reduce the conductivity to zero

  • Which of the following is not a semiconductor

    A
    germinium
    B
    silicon
    C
    arsenic
    D
    all of these

  • With the increase of temperature, the resistivity of a semiconductor

    A
    Decrease
    B
    Increase
    C
    My increase or decrease
    D
    Does not change

    • Similar Questions

    Explore conceptually related problems

    When on impurity is doped into an intrinsic semiconductor, the conductivity of the semiconductor

    ________ is a semiconductor.

    When the electrical conductivity of a semiconductor is due to breaking of its covalent bonds, the semiconductor is said to be a ______ semiconductor.

    In semiconductor has

    The bond in semiconductors is

    Home
    Profile