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Transistors and Applications

Q1:

A decrease in base current of a CE amplifier causes the voltage measured between the emitter and the collector to increase.

A True

B False

ANS:A - True

Applying KVL on collector emitter side (output side).

Vcc - RcIc - Vce = 0.

Vce = Vcc - RcIc.

Now Ib decreases, so Ic = beta Ib.

Hence Ic decreases, hence IcRc decreases and thus Vce increases.



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