Analog Electronics
The biasing circuit that gives best stability to Q point is

  emitter resistor biasing.
  potential divider biasing.
  feedback resistor biasing .
  base resistance biasing.

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

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

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