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

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

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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
A push pull output transformer has a centre-tapped primary
Class AB operation cannot be used for a push pull audio power output phase

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Analog Electronics
Why is silicon preferred than germanium ?

 Silicon has higher tolerance to temperature
 Current sensitivity of silicon with temperature is less
 All the above
 Leakage current due to minority charge carrier is less in silicon

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