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Analog Electronics

Analog Electronics
A 555 IC is used to produce

 counter
 byte
 clock
 register

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Analog Electronics
MOSFET requires

 None of these.
 A large input current.
  Only small input current.
 A large input current and high voltage.

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

 4
 1
 3
 2

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Analog Electronics
The 741 C has a unity - gain frequency of

  15 MHz.
  1 MHz.
  20 Hz.
  10 Hz.

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Analog Electronics
Which of the following is trivalent impurity ?

 Boron
 Antimony
 Silicon
None of these

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Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

 extrinsic
 intrinsic
None of these
 doping

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