Which of the following is (are) true regarding the input impedance for frequencies in the midrange 100 kHz of a BJT transistor amplifier?

Question

TuteeHUB · Accepted Answer

NA

TuteeHUB · Answer

The input impedance is purely resistive.

TuteeHUB · Answer

It varies from a few ohms to megohms.

TuteeHUB · Answer

An ohmmeter cannot be used to measure the small-signal ac input impedance.

TuteeHUB · Answer

All of the above

1.	Which of the following is (are) true regarding the input impedance for frequencies in the midrange 100 kHz of a BJT transistor amplifier?
A.	The input impedance is purely resistive.
B.	It varies from a few ohms to megohms.
C.	An ohmmeter cannot be used to measure the small-signal ac input impedance.
D.	All of the above
Answer» E.

Discussion