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Analog Electronics

Analog Electronics
The current gain of a BJT is

gm /rπ
gm r0
gm / r0
gm rπ

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Analog Electronics
Given (135)x + (144)x = (323)x what is the value of base x?

 3
 5
 4
 6

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Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

None of these
 Doping
 Conducting
 Insulating

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

 2 mA.
 0 mA.
 0.5 mA.
 1 mA.

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

  down.
 up.
 nowhere.
 off the load line.

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Analog Electronics
The effective channel length of a MOSFET in a saturation decreases with increase in

Body voltage
Source voltage
Gate voltage
Drain voltage

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