Home
Class 12
PHYSICS
Silicon is a semiconductor . If a small ...

Silicon is a semiconductor . If a small amount of As is added to it, then its electrical conductivity

A

Decreases

B

Increases

C

Remains unchanged

D

Becomes zero

Text Solution

Verified by Experts

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

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment section -A (Objective Type Question)|43 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment section -B (Objective Type Question)|29 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOUR SELF|27 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|16 Videos
  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

Similar Questions

Explore conceptually related problems

If a small amount of antimony is added to germanium crystal

Small amount of iodine is added to common salt so that

Knowledge Check

  • If a small amount of antimony is added to germanium crystal

    A
    its resistance is increased
    B
    it becomes a p-type semiconductor
    C
    there will be more free electrons than holes in the semiconductor
    D
    none of these
  • A beaker contains a solution of substance'A' precipitation of substance 'A' takes place when small amount of 'A' is added to the solution. The solution is………

    A
    saturated
    B
    supersaturated
    C
    unsaturated
    D
    concentrated
  • Similar Questions

    Explore conceptually related problems

    the dimensions of electric currect in electric conductivity are

    When a small amount of HCI is added to a buffer solution of acetic acid and sodium acetate

    The electrical conductivity of semiconductor is

    when the electrical conductivity of a semiconductor is due to the breaking of its covalent bonds, then the semiconductor is said to be

    A beaker contains a solution of substance'A' precipitation of substance 'A' takes place when small amount of 'A' is added to the solution. The solution is………

    What will happen when a small amount of phosphorus is addded to pure crystal of silicon ?