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Analog Electronics

Analog Electronics
A 555 IC is used to produce

 register
 byte
 clock
 counter

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Analog Electronics
In a N-type semiconductor material holes are ......................

 Minority charge carriers
 Low charge carriers
 Majority charge carriers
 High charge carriers

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Analog Electronics
What is the range of energy band gap of semiconductors ?

 0 ev
 14-15 ev
 1-3 ev
 10-15 ev

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Analog Electronics
The Barkhausen criterion for an oscillator

 Both A and C
 Loop gain should be less than unity
 Loop gain should be unity
 The phase of a feedback signal with respect to input should be 0° or 360°

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Analog Electronics
The number of valence electrons in silicon atom are :

 1
 4
 2
 3

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

 Doping
None of these
 Insulating
 Conducting

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