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Analog Electronics

Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 0.3V
 0.7V
 1.6V
 1.5V

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Analog Electronics
For audio frequency applications, the popular oscillator used is

 Phase shift oscillator
 Wien bridge oscillator
 Hartley oscillator
 Crystal oscillator

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Analog Electronics
Which of following is not an essential element of a DC power supply?

  Voltage amplifier.
  Rectifier.
  Voltage regulator.
  Filter.

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Analog Electronics
Secondary breakdown occures in

  BJT but not is MOSFET.
 Both BJT and MOSFET.
 None of these.
 MOSFET but not in BJT.

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

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

None of these
 Conducting
 Doping
 Insulating

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