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Analog Electronics

Analog Electronics
Which is the conversion of current done by diode ?

 AC to DC
 DC to AC
 DC to DC
None of these

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Analog Electronics
An amplifier using an opamp with slew rate SR=1v/µsec has a gain of 40db.if this amplifier has to faithfully amplify sinusoidal signals from dc to 20 KHz without introducing any slew-rate induced distortion, then the input signal level must not exceed

39.5mV
395mV
79.5 mV
795mV

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Analog Electronics
In a rectifier circuit, the diode converts

 alternating current to direct voltage.
 both (A) and (C) options are connect.
 alternating voltage to direct voltage.
 alternating voltage to direct current.

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Analog Electronics
When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

  Load current.
  None of these.
  Zener current.
  Series current.

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Analog Electronics
Early effect in BJT refers to

  avalanche breakdown.
  base narrowing.
  thermal breakdown.
  zener breakdown.

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

 1
 4
 3
 2

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