Home
Class 12
PHYSICS
A semiconductor is known to have an elec...

A semiconductor is known to have an electron concentration of `5 xx 10^(13)//cm^(3)` and hole concentration of `8 xx 10^(12)//cm^(3)`. The semiconductor is

A

n-type

B

p-type

C

intrinsic

D

insulator

Text Solution

Verified by Experts

The correct Answer is:
A

`n_(e)gtn_(h)`
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise EXERCISE -1 (H.W) (JUNCTION DIODE)|5 Videos
  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise EXERCISE -1 (H.W) (APPLICATION OF JUNCTION DIODE AS RECTIFIER|3 Videos
  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise EXERCISE -1 (C.W) (LOGIC GATES)|9 Videos
  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos
  • WAVE OPTICS

    NARAYNA|Exercise Exercise - 4 Polarisation|9 Videos

Similar Questions

Explore conceptually related problems

A semiconductor is known to have an electron concentric of 8xx10^(13)//cm^(3) and hole concentration of 5xx10^(12)//cm^(3) . The semiconductor is

A semiconductor is known to have an electron concentration of 5xx10^(12) cm^(-3) and a hole concentration 8xx10^(13)cm^(-3) Is the semi-conductor n-type or p-type? What is the resistivity of the sample, if the electron mobility is 23,000 cm^(2) V^(-1)s^(-1) ? Take charge on electron, e=1.6xx10^(-19) C .

A semiconductor has an electron concentration of 0.45 xx 10^(12) m^(-3) and a hole concentration of 5.0 xx 10^(20) m^(-3) . Calculate its conductivity. Given electron mobility = 0.135 m^(2) V^(-1) s^(-1) , hole mobility = 0.048 m^(2) V^(-1) s^(-1) ,

A semiconductor is known to have an electron concentration of 6xx10^(12) per cubic centimeter and a hole concentration of 8xx10^(13) per cubic centimeter. Is this semiconductor N-type or P-type ?

A semiconductor has an electron concentration of 8xx10^(13) per cm^(3) and a hole concentration of 5xx10^(12) per cm^(3) . The electron mobilityis 25,000 cm^(2)V^(-1)sec^(-1) and the hole mobility is 100cm^(2)V^(-1)sec^(-1) and the hole mobility is 100cm^(2)V^(-1)sec^(-1) (i) The semiconductor is n -type (ii) the semiconductor is p -type (iii) the conductivity is 320m mho cm^(-1) (iv) the conductivity is 80m mho cm^(-1)

What is the conductivity of a semiconductor sample having electron concentration of 5 xx 10^(18) m^(-3) hole concentration of 5 xx 10^(19) m^(-3) , electron mobility of 2.0 m^(2) V^(-1) s^(-1) and hole mobility of 0.01 m^(2) V^(-1) s^(-1)? (Take charge of electron as 1.6 xx 10^(-19)C)

A semiconductor has equal electron and hole concentration of 2xx10^(8)m^(-3) . On doping with a certain impurity, the electron concentration increases to 4xx10^(10)m^(-3), then the new hole concentration of the semiconductor is