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Analog Electronics

Analog Electronics
Leakage electric current in CE configuration is

  very high.
  not present.
  very small.
  normal.

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Analog Electronics
A JFET can operate in

  depletion and enhancement mode only.
  enhancement mode only.
  none of these.
  depletion mode only.

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Analog Electronics
A zener diode

  has a constant voltage in the breakdown region.
  has a barrier potential of 1 V.
  is a battery.
  is forward biased.

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Analog Electronics
In a rectifier circuit, the diode converts

 both (A) and (C) options are connect.
 alternating voltage to direct voltage.
 alternating voltage to direct current.
 alternating current to direct voltage.

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Analog Electronics
In MOSFET devices the N-channel type is better the P-channel type in the following respects

  it has better drive capability.
  it has better noise immunity.
  it is faster.
  it is TTL compatible.

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

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