IndiaBIX

Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion

Discussion Forum : Electronic Devices and Circuits - Section 12 (Q.No. 12)
Electronic Devices and Circuits
12.
The modulation of effective base width by collector voltage is known as Early effect, hence reverse collector voltage
increases both a and β
decrease both a and β
increase a but decrease β
decrease a but increase β
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.
Amit said:   9 years ago
Because of reach through effect, the effective base width becomes zero and hence, base current Ib reduce. So beta will increase and also alpha will increase beta = Ic/Ib and alpha = Ic/Ie.

So both alpha and beta will increase.
Saurabh kumar said:   5 years ago
If α is increases then β also increases.

The answer will be A.
Kanchan chaudhary said:   8 years ago
Revese voltage increase and Bita decrease. Option c should be correct.
Amit said:   8 years ago
Increases α but decrease β.
Abhi said:   9 years ago
Both alpha and beta will increase.
Post your comments here:

Your comments will be displayed after verification.

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers