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Analog Electronics

Analog Electronics
The emitter of the transistor is doped

  moderately.
  lightly.
  heavily.
  none of these

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  high - purity silica.
  heavily doped poly crystalline silicon.
  high - purity silicon.

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Analog Electronics
Input impedance of MOSFET is

  more than that of FET and BJT.
  less than that of FET and BJT.
  more than that of FET but less than BJT.
  less than of FET but more than BJT.

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Analog Electronics
For a reverse biased pn junction, the electric current through the junction increases abruptly at

  7.2 eV.
  0.2 eV.
  breakdown voltage.
  0 V.

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Analog Electronics
Darlington connection is achieved in 2 transistors by connecting

 both emitter.
 both base.
 grounding both collector.
 both collector.

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

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