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Analog Electronics

Analog Electronics
Energy gap of semiconductor is approx

 5 - 8 eV.
 > 8 eV .
 0 eV.
 1 eV.

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Analog Electronics
An emitter follower has a voltage gain that is

 zero.
 much less than one.
 greater than one.
  approximately equal to one.

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Analog Electronics
Voltage controlled oscillators are used commonly in

 Pulse Modulators Frequency Modulators Phase Clocked loops
 All the above
 Phase Clocked loops
 Frequency Modulators

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Analog Electronics
If temperature increases then conductivity of a semiconductor is ...................

 Decreases
 Increases
None of these
 Constant

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Analog Electronics
A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be

1v
1.4v
2.8v
2v

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

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

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