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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

 Mega Ohm
 Ohm
 Kilo Ohm
None of these

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Analog Electronics
Which are the ways to convert an alternating current into a direct current ?

 Center-Taped Full-wave rectification.
 Bridge Full-wave rectification.
 All the above.
 Half-wave rectification.

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Analog Electronics
A 741 C has

  a voltage gain of 100,000.
  an output impedance of 75 Ω.
  an input impedance of 2 MΩ.
All of these

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Analog Electronics
The diffusion capacitance of a forward biased P+N junction diode with a steady electric current I depends on

  width of the depleted region.
  mean life time of the holes.
  junction area.
  mean life time of the electrons.

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Analog Electronics
The leakage current in a pn junction is in order of

None of these
 A
 µA
 KA

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Analog Electronics
A diode (p-n junction) when reverse biased act as

 Capacitor
 Zener diode
 Off Switch
 On Switch

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