A transistor is opened in CE configuration at VCC - 2V such that a change in base current from 100 -A to 200 - A produces a change in the collector current from 9 mA to 16-5 mA- The value of current gain- - is -

Change in base current #160; #160; Δ I_b = 200 100 = 100 μ A = 0.1 mA Change in collector current #160; #160; Δ I_c = 16.5 9 = 7.5 mA Cur ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Transistor as an Amplifier

A transistor ...

Question

A transistor is opened in CE configuration at $V_{C C}$ = 2V such that a change in base current from 100 $μ$ A to 200 $μ$ A produces a change in the collector current from 9 mA to 16.5 mA. The value of current gain, $β$ is :-

Open in App

Solution

Change in base current $Δ I_{b} = 200 - 100 = 100 μ A = 0.1 m A$
Change in collector current $Δ I_{c} = 16.5 - 9 = 7.5 m A$
Current gain $β = \frac{Δ I_{c}}{Δ I_{b}} = \frac{7.5}{0.1} = 75$

Suggest Corrections

Similar questions

Q. A transistor is operated in common emitter configuration at constant collector voltage V

_{c}

= 1.5 V such that a change in the base current from 100

μ

A to 150

μ

A produces achange in the collector current from 5 mA to 10 mA. The current gain (

β

) is:-

Q. A transistor is operated in common-emitter configuration at

V_{C} = 2 V

such that a change in the base current from

100 μ A

200 μ A

produces a change in the collector current from 5 mA to 10 mA. The current gain is :

A transistor is operated in a common emitter configuration at $V_{C} = 2 V$ such that a change in the base current from 100 $μ$ A to 300 $μ$ A produces a change in the collector current from 10 mA to 20 mA. The current gain is

Q. In a transistor, the change in base current from

100

μ

A to

125

μ

A causes a change in collector current from

5 m A

7.5 m A

, keeping collector-to-emitter voltage constant at

10

, current gain is

Q. For common emitter configuration of a transistor, the collector voltage

V_{c} = 2 V

and, base current changes from

100 μ A t o 200 μ A

, and collector current changes from 5 mA to 10 mA. The current gain is

Join BYJU'S Learning Program

A transistor is opened in CE configuration at VCC = 2V such that a change in base current from 100 μA to 200 μ A produces a change in the collector current from 9 mA to 16.5 mA. The value of current gain, β is :-

Change in base current ΔIb=200−100=100 μA=0.1 mAChange in collector current ΔIc=16.5−9=7.5 mACurrent gain β=ΔIcΔIb=7.50.1=75

A transistor is opened in CE configuration at $V_{C C}$ = 2V such that a change in base current from 100 $μ$ A to 200 $μ$ A produces a change in the collector current from 9 mA to 16.5 mA. The value of current gain, $β$ is :-

Change in base current $Δ I_{b} = 200 - 100 = 100 μ A = 0.1 m A$
Change in collector current $Δ I_{c} = 16.5 - 9 = 7.5 m A$
Current gain $β = \frac{Δ I_{c}}{Δ I_{b}} = \frac{7.5}{0.1} = 75$