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Analog Electronics

Analog Electronics
The majority carriers in the emitter of a PNP transistor are

 free electrons.
 holes.
 trivalent atoms.
 pentavalent atoms.

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Analog Electronics
Base of a number system is also known as

 radix
 shift
 count
 value

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Analog Electronics
A differential amplifier is invariably used in the i/p stage of all OP-amps.This is dome basically to provide the OP-amps with a very high

CMRR
Slew rate
Bandwidth
Open-loop gain

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Any one or combinations of the above methods
 Resistive coupling between input and output
 Capacitive coupling between input and output
 Inductive coupling between input and output

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Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  increases.
  stays the same.
  equals the voltage divided by the resistance.
  decreases.

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Analog Electronics
The current gain of a bipolar transistor drops at high frequencies because of

Parasitic inductive elements
Transistor capacitances
High current effects in the base
The early effect

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