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Analog Electronics

Analog Electronics
In n type semiconductor elements of which group of periodic table is added as dopant

 group 5.
 group 3.
 group 2.
 group 4.

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Analog Electronics
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is

 supply voltage.
 1 V.
  0.
 a few tenths of a volt.

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Analog Electronics
The trapped energy of an inductive load can be feed back to the input supply through a diode known as

 Zener diode.
 None of these.
 Powe diode.
  Feed back diode.

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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

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

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Analog Electronics
The base-emitter voltage of an ideal transistor is

 1 V.
 0.3 V.
  0 V.
 0.7 V.

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Analog Electronics
The current gain of a bipolar transistor drops at high frequencies because of

The early effect
Parasitic inductive elements
Transistor capacitances
High current effects in the base

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