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Analog Electronics

Analog Electronics
Which of the following cannot actually move?

 Ions
 All the above
 Holes
 Electrons

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Analog Electronics
Which of these is the best description of a zener diode?

  It is a constant electric current device.
  It is a constant voltage device.
  It is a rectifier diode.
  It works in the forward region.

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Analog Electronics
Conduction electrons have more mobility than holes because they

None of these
 have negative charge
 need less energy to move them
 are free

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Analog Electronics
The base-emitter voltage of the second approximation is

  0.7 V.
 1 V.
 0 V.
 0.3 V.

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Analog Electronics
For audio frequency applications, the popular oscillator used is

 Crystal oscillator
 Phase shift oscillator
 Wien bridge oscillator
 Hartley oscillator

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Analog Electronics
To prevent a DC return between source and load, it is necessary to use

Resistor between source and load
Inductor between source and load
Capacitor between source and load
Either A or B

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