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Analog Electronics - Engineering

Q1:

In a CE amplifier the dc load line is the same as ac load line when

A ac collector resistance and dc collector resistance are equal

B ac collector resistance and dc emitter resistance are equal

C ac collector resistance is very high

D ac collector resistance is one half of dc collector resistance

ANS:C - ac collector resistance is very high

When ac collector resistance is very high, the net resistance is the same as dc collector resistance.