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Analog Electronics

Analog Electronics
An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is

1
0.5
0.25
0.75

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Analog Electronics
The emitter of the transistor is generally doped the heaviest because it

  has to supply the charge carriers.
  is the first region of transistor.
  must possess low resistance.
  has to dissipate maximum power.

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

 Fast recovery, Schottky.
 None of these.
 General purpose, fast recovery.
  General purpose, fast recovery and schottly.

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Analog Electronics
The main job of a voltage regulator is to provide a nearly __________________ output voltage.

  smooth.
  sinusoidal.
  constant.
  fluctuating.

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Analog Electronics
MOSFET requires

  Only small input current.
 A large input current and high voltage.
 None of these.
 A large input current.

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Analog Electronics
The AC base voltage of an emitter follower is across the

 DC emitter resistor.
  emitter diode and external AC emitter resistance.
 load resistor.
 emitter diode.

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