Analog Electronics
When a transistor is connected in common emitter mode, it with have

Negligible input resistance and high output resistance
High input resistance and low output resistance
Medium input resistance and high output resistance
Low input resistance as well as output resistance

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Analog Electronics
In all base driver amplifiers

ac collector voltage is in phase with ac base voltage
ac collector voltage is 180° out of phase with ac base voltage
ac emitter voltage is 180° out of phase with ac base voltage
None of these

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Analog Electronics
Which of the following statements is false?

All of these
Push pull signals are equal and opposite in phase
Class AB operation cannot be used for a push pull audio power output phase
A push pull output transformer has a centre-tapped primary

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