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Analog Electronics

Analog Electronics
A semiconductor material is formed by

None of these
 Electrovalent bonds
 Covalent bonds
 Metallic bonds

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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 main factor which makes a MOSFET likely to breakdown during the normal handling

  high leakage current.
  both (A) and (C).
  high input resistance.
  very low gate capacitance.

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Analog Electronics
The per unit impedance of a synchorous machine is 0.242. If base voltage is increased by 1.1 times, then per unit value will be

 0.242.
  0.200.
 0.220.
 0.266.

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Analog Electronics
Energy gap of semiconductor is approx

 1 eV.
 0 eV.
 5 - 8 eV.
 > 8 eV .

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Analog Electronics
What is the most important fact about the collector current?

  It approximately equals the emitter current.
 It equals the base current divided by the current gain.
 It is small.
 It is measured in milliampere.

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