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Analog Electronics

Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Insulating
None of these
 Conducting
 Doping

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 1MHz to 100 GHz
 1MHz to 500 MHz
 1 KHz to 1 MHz
 100 KHz to 500 MHz

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Analog Electronics
Which of the following is the pentavalent material ?

 Gallium
 Arsenic
 Neon
 Boron

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Analog Electronics
The output voltage of an emitter follower is across the

 emitter diode.
  load resistor.
 DC collector resistor.
 emitter diode and external AC emitter resistance.

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

 nowhere.
 up.
 off the load line.
  down.

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Analog Electronics
When were the first solid state devices manufactured ?

 1940
 1960
 1970
 1950

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