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Analog Electronics

Analog Electronics
The input impedance of the base of an emitter follower is usually

 low.
 open.
  high.
 shorted to ground.

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Analog Electronics
In a rectifier circuit, the diode converts

 alternating voltage to direct voltage.
 alternating current to direct voltage.
 alternating voltage to direct current.
 both (A) and (C) options are connect.

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

  0.3 V.
  0.5 V.
  0.7 V.
  0.9 V.

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Analog Electronics
Suppose the base resistor is open. The Q point will be

 at the upper end of the load line.
  at the lower end of the load line.
 in the middle of the load line.
 off the load line.

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

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

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Analog Electronics
In a N-type semiconductor material holes are ......................

 Low charge carriers
 High charge carriers
 Minority charge carriers
 Majority charge carriers

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