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Analog Electronics

Analog Electronics
Junction field effect transistors (JFET) contain how many diodes?

  3.
  1.
  2.
  4.

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Analog Electronics
Which types of device is the diode ?

 Semiconductor
None of these
 Conductor
 Insulator

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Analog Electronics
The horizontal intercept of dc load line is the same as ideal

Saturation point
Quasi saturation point
Operating point
Cut off point

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Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  equals the voltage divided by the resistance.
  stays the same.
  increases.
  decreases.

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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
An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are

fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz
fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz
fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz
fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz

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