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Analog Electronics

Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 3 mA.
 3 µA.
 150 µA.
  30 µA.

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Analog Electronics
The current gain of a BJT is

gm /rπ
gm r0
gm rπ
gm / r0

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Analog Electronics
A pn junction/Diode is a/an

 Unidirectional Component
 Linear component
 Bidirectional component
None of these

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Analog Electronics
The following relationship between α and β are correct except

  α = β / (1 - β).
  1 - α = 1 / (1 + β).
  α = β / (1 + β).
  β = α / (1 - α).

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Analog Electronics
A U shaped, opposite-polarity material built near a JFET-channel center is called the

  drain.
  gate.
  block.
  heat sink.

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Analog Electronics
When P-type substance is connected with positive and N-type is connected with negative terminal then P-N junction diode is in ....................

 Forward biased
None of these
 Reverse biased
 No biased

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