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Analog Electronics

Analog Electronics
What will be the Potential barrier for Si Diode ?

 0.7 V
 0.07 V
 0.3 V
 0.05 V

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Analog Electronics
What will be the result if pentavalent impurity is added to pure germanium or silicon ?

 Intrinsic semiconductor
 P-type semiconductor
 N-type semiconductor
None of these

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400 V.
 400√ (2/3) V.
 400√ 2 V.
 400 / √ 3 V.

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Analog Electronics
The input offset electric current is usually

  unimportant when a base resistor is used.
  equal to zero.
  less than the input bias current.
  less than the input offset voltage.

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

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

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Analog Electronics
Which of the following oscillators are used for low frequency (LF) applications

 Both LC and RC Oscillators
 LC oscillators
 None
 RC oscillators

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