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Analog Electronics

Analog Electronics
If the base resistor is open, what is the collect current?

  0 mA.
 1 mA.
 10 mA.
 2 mA.

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Analog Electronics
The voltage follower has a

  closed - loop bandwidth of zero.
  closed - loop voltage gain of unity.
  large closed - loop output impedance.
  small open - loop voltage gain.

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Analog Electronics
A transistor has how many PN junctions?

 1.
 4.
 3.
  2.

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Analog Electronics
If the emitter resistor is open, the collector voltage is

 unknown.
 low.
 unchanged.
  high.

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Analog Electronics
Avalanche breakdown in a diode occurs when

  potential barrier is reduced to zero.
  forward electric current exceeds certain value.
None of these
  reverse bias exceeds a certain value.

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

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

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