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Analog Electronics - Engineering

Q1:

In a CE amplifier, the collector resistance is 6 kΩ and load resistance is 3 kΩ. The ac load resistance is

A 9 kΩ

B 6 kΩ

C 3 kΩ

D 2 kΩ

ANS:D - 2 kΩ

AC Load resistance = Collector resistance || Load resistance.
= 6*3/(6+3) = 2kOhm.