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Analog Electronics

Analog Electronics
Assume that diode D1, D2 in figure are ideal diodes. The value of current is mcq-diagram

 1 mA.
 2 mA.
 0.5 mA.
 0 mA.

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Resistive coupling between input and output
 Any one or combinations of the above methods
 Inductive coupling between input and output
 Capacitive coupling between input and output

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Analog Electronics
When a reverse bias is applied to gate of JFET the depletion region width

  is wider near the source and tapers near the drain.
None of these
  is uniform in the channel.
  is wider near the drain and tapers near source.

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Analog Electronics
The early effect in a bipolar junction transistor is caused by

Large collector-base reverse bias
Fast turn-on
Fast turn-off
Large emitter-base forward bias

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Analog Electronics
Which of the following does not obey the Ohm's law?

None of these
 Bilateral device
 Semiconductor
 Resistor

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Analog Electronics
If the base resistor is very small, the transistor will operate in the

  saturation region.
All of these
 active region.
 cutoff region.

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