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Analog Electronics

Analog Electronics
When a junction diode is Forward Biased the thickness of the depletion region is................

  Not determine
 Medium
 Smaller
 Larger

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

 0.5 mA.
 2 mA.
 1 mA.
 0 mA.

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Analog Electronics
The leakage current in a pn junction is in order of

 KA
None of these
 A
 µA

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Analog Electronics
In a JFET, if the gate voltage Vgs is made more negative, then

  channel electric current increases .
  channel conductivity decreases.
  depletion region decreases.
  channel conductivity increases.

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

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

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Analog Electronics
The current gain of a pnp transistor is

 the negative of the npn current gain.
 the collector current divided by the emitter current.
 the ratio of collector current to emitter current.
 near zero.

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