Home
Class 12
PHYSICS
In an npn transistor the base the collec...

In an `npn` transistor the base the collector currents are `100 muA` and `9 mA` respectively. Then the emitter current will be

A

`9.1mA`

B

`18.2mA`

C

`3.9muA`

D

`18.2muA`

Text Solution

Verified by Experts

The correct Answer is:
A

`I_(e)=I_(b)+I_(c),`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise EXERCISE -1 (H.W) (LOGIC GATES)|11 Videos
  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise EXERCISE -2 (C.W) INTRINSIC, EXTRINSIC SEMICONDUCTONS)|2 Videos
  • SEMICONDUCTOR ELECTRONICS

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

In a transistor, the collector current changes by 0.99 mA with a 1 mA change in the emitter current. What is the common-base current gain of the transistor?

In an n-p-n transistor the base current is 1 mA if 90% of electons emitteed reach the collector then find the emitter current and collector current

Knowledge Check

  • In an npn transistor the base the collector currents are 100 muA and 9 muA respectively. Then the emitter current will be

    A
    `9.1 mA`
    B
    `18.2 mA`
    C
    `3.91 mA`
    D
    `18.2 mu A`
  • In an NPN transistor the values of base current and collector current are 100muA and 9mA respectively the emitter current will be-

    A
    9.1 mA
    B
    18.2 mA
    C
    `9.1muA`
    D
    `18.2muA`
  • In a P-N-P transistor, the collector current is 10 mA . If 90% of the holes reach the collector, then emitter current will be :

    A
    `13 mA`
    B
    `12 mA`
    C
    `11 mA`
    D
    `10 mA`
  • Similar Questions

    Explore conceptually related problems

    In a semiconductor transistor there is change in collector current of 8.2 mA with change of 8.29 mA in emitter current calculate the change in base current that produces same change in collector current

    In an n-p-n transistor , the base current is 100 muA and the collector current is

    In an NPN transistor the collector current is 10 mA . If 90% of electrons reach collector, the emitter current (i_(E)) and base current (i_(B)) are given by

    In p-n-p transistor the base current is 1 mA and the collector current is 10 mA . The emitter current is

    In a transistor, the collector current varies by 0.49 mA and emitter current varies by 0.50 mA.