Electronics and Communication Engineering - Analog Electronics - Discussion

17. 

In a CE amplifier the input impedance is equal to the ratio of

[A]. ac base voltage to ac base current
[B]. ac base voltage to ac emitter current
[C]. ac emitter voltage to ac collector current
[D]. ac collector voltage to ac collector current

Answer: Option A

Explanation:

Input is applied to base with emitter grounded. The input impedance is the ratio of ac base voltage to ac base current.


Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.