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Analog Electronics

Analog Electronics
The 741 C has a unity - gain frequency of

  20 Hz.
  10 Hz.
  1 MHz.
  15 MHz.

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Analog Electronics
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

5KΩ
11KΩ
1/11KΩ
1/5KΩ

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Analog Electronics
The DC electric current gain in common collector configuration is given by

  β + 1.
  β.
  α.
  α - 1.

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Analog Electronics
The collector characteristics of a common - emitter connected transistor may be used to find its

  output resistance .
  voltage gain.
  base current.
  input resistance.

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

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

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

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

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