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Analog Electronics

Analog Electronics
In a pnp transistor, the major carriers in the emitter are

  holes.
 both.
 free electrons.
 neither.

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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 =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz
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

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

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

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Analog Electronics
An instrumentation amplifier has a high

  supply voltage.
  output impedance.
  power gain.
  CMMR.

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Analog Electronics
The majority carrier in P-type extrinsic semiconductor material is

None of these
 Electrons
 Holes
 Both Holes and Electrons

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Analog Electronics
The load voltage is approximately constant when a zener diode is

  forward biased.
  unbiased.
  operating in breakdown region.
  reverse biased.

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