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Analog Electronics

Analog Electronics
The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

  5 %.
  none of them.
  5.3 %.
  0.53 %.

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Analog Electronics
A forward potential of 10 V is applied to a silicon diode. A resistance of 1KΩ is also in series with the diode. The electric current is

  9.3 mA.
  0.
  10 mA.
  0.7 mA.

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Analog Electronics
The fact that there are many free electrons in a transistor emitter region means the emitter is

  heavily doped.
 undoped.
None of these
 lightly doped.

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Analog Electronics
An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is

0.25
1
0.5
0.75

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

 down.
  up.
 nowhere.
 off the load line.

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Analog Electronics
The current gain of a BJT is

gm rπ
gm /rπ
gm / r0
gm r0

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