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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

None of these
 Mega Ohm
 Ohm
 Kilo Ohm

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Analog Electronics
If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

 collector current.
  base current.
 emitter voltage.
 emitter current.

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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

  0.7 V.
  18 V.
  14 V.
  10 V.

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

  the transistor is defective.
 the collector is positive in respect to the emitter.
 the emitter is positive in respect to the collector.
 the transistor is normal.

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Analog Electronics
When the diode is forward biased, it is equivalent to

  an off switch.
None of these
  an on switch.
  a high resistance.

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

 0 mA.
 2 mA.
 0.5 mA.
 1 mA.

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