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Analog Electronics

Analog Electronics
Which types of device is the diode ?

 Conductor
 Insulator
None of these
 Semiconductor

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Analog Electronics
Which of the following is Pentavalent impurity?

 gallium
 indium
 boron
 antimony

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Analog Electronics
Which of the following is not a sinusoidal oscillator?

 Relaxation oscillator
 RC phase shift oscillator
 Crystal oscillator
 LC oscillator

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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

2v
1v
2.8v
1.4v

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Analog Electronics
The opamp can amplify

  neither AC not DC signals.
  both AC and DC signals.
  DC signals only.
  AC signals only.

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Analog Electronics
In a MOSFET, the polarity of the inversion layer is the same as that of the

  majority carries in the source .
  majority carries in the substrate.
  minority carriers in the drain .
  charge on the gate electrode.

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