﻿ In input and output resistances in a common-base amplifier circuit are  respectively. If the current-gain  is 0.98, then find the voltage gain. If the emitter-current is 2 mA, then find the collector-current and the base-current.  : Kaysons Education

# In Input And Output Resistances In A Common-base Amplifier Circuit Are  respectively. If The Current-gain  is 0.98, Then Find The Voltage Gain. If The Emitter-current Is 2 MA, Then Find The Collector-current And The Base-current.

#### Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

#### Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

#### National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

#### Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

#### Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

## Question

### Solution

Correct option is

980, 1.96 mA, 0.04 mA

The voltage gain in a common-base amplifier is

= 980.

= 1.96 mA

= 0.04 mA.

Testing

#### SIMILAR QUESTIONS

Q1

n-type semiconductor is formed :

Q2

An n-type and a p-type silicon can be obtained by doping pure silicon with :

Q3

An n-type semiconductor is :

Q4

The drift current in a p-n junction is :

Q5

The diffusion current in a p-n junction is

Q6

In a p-n-p transistor with normal bias:

Q7

The base-current of a transistor is  and the collector-current is 2.05 mA. A change of  in the base-current produces a change of 0.65 mA in the collector current. Find .

Q8

The current-gain of a transistor in a common-base arrangement is 0.98. Find the change in collector-current corresponding to a change of 5.0 mA in emitter-current. What would be the change in the base-current?

Q9

In a common-base amplifier the load-resistance of the output circuit is  and the resistance of the input circuit is . If current-gain be 0.95, calculate the voltage-gain and the power gain.

Q10

The a-c current gain  of a transistor is 150. What will be the change in the collector-current for a change of  in its base-current? What will be the change in the emitter-current?