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Analog Electronics

Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.9 V.
  0.7 V.
  0.5 V.
  0.3 V.

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Analog Electronics
A Schottky diode is a

 fast recovery diode.
 minority carrier device.
 both a majority and a minority carrier diode.
 majority carrier device.

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Analog Electronics
What is the majority carriers of P type material ?

 Holes
None of these
 Electrons
 Protons

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Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1
 1/4
 1/2
 1/3

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Analog Electronics
An opamp has a voltage gain of 200,000. If the output voltage is 1 V, the input voltage is

  2 micro V.
  5 5 micro V.
  10 V.
  1 V.

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Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

 holes.
 both.
  free electrons.
 neither.

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