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Analog Electronics

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

 10 mA.
 1 mA.
  0 mA.
 2 mA.

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Analog Electronics
A diode (P-N junction) has two terminals. The P-terminal is known as

 Either anode or cathode
 None of these
 Cathode
 Anode

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 tetravalent impurity
 trivalent impurity
 pentavalent impurity
All of these

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Analog Electronics
If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to

  18 V.
  14 V.
  0.7 V.
  10 V.

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Analog Electronics
If the base supply voltage is disconnected, the collector-emitter voltage will equal

 10.5 V.
 0 V.
  collector supply voltage.
 6 V.

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Analog Electronics
Most of the electrons in the base of an NPN transistor do not recombine because they

  have a long lifetime.
 have a negative charge.
 must flow through the base.
 flow out of the base.

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