Home
Class 12
PHYSICS
The correct relation between alpha (rati...

The correct relation between `alpha` (ratio of collector current to emitter current) and `beta` (ratio of collector current to base current) of a transistor is :

A

`alpha=(beta)/(1+beta)`

B

`alpha=(beta)/(1-alpha)`

C

`beta=(1)/(1-alpha)`

D

`beta=(alpha)/(1+alpha)`

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

For a transistor emitter current is 40 mA and collector current is 35 mA find the beta of transistor

In a transistor, give the relation between collector current, base current and emitter current.

Knowledge Check

  • In the study of transistor as an amplifier, the ratio of collector current to emitter current is 0.98 then the ratio of collector current to base current will be

    A
    99
    B
    49
    C
    50
    D
    98

  • A transistor has a base current of 1 mA and emitter current 90 mA. The collector current will be

    A
    90 mA
    B
    1 mA
    C
    89 mA
    D
    91 mA

  • In a transistor circuit, the emitter current is 50 mA and base current in 2 mA. The collector current is

    A
    25 mA
    B
    48 mA
    C
    100mA
    D
    552 mA

    • Similar Questions

    Explore conceptually related problems

    The current gain of a transistor in a common emitter circuit is 40.The ratio of emitter current to base current is

    Let i_E,I_C and i_B represent the emitter current,the collector current and the base current respectively in a transistor.then

    The current gain beta may be defined as, the ratio of change in collector current to the change in base current at constant collector voltage, in an arrangement of

    In a p-n-p transistor the emitter current is 10 mA and the collector current is 9 mA . Then the base current is

    For a common emitter configuration , the base current is 60 muA and the collector current is 6 mA . The current gain of transistor is

    Home
    Profile