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Analog Electronics

Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

  3.1 A.
 3.33 mA.
 3 A.
 10 A.

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Analog Electronics
Which of the following cannot actually move?

 All the above
 Ions
 Holes
 Electrons

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Analog Electronics
The diffusion capacitance of a forward biased P+N junction diode with a steady electric current I depends on

  mean life time of the holes.
  width of the depleted region.
  mean life time of the electrons.
  junction area.

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Analog Electronics
Most small - signal E - MOSFETs are found in

  integrated circuit.
  disk drives.
  heavy - current applications.
  discrete circuits.

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Analog Electronics
An ideal voltage regulator has a voltage regulation of

  1.
  100.
  50.
  0.

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Analog Electronics
A 741-type OP-amp has a gain-bandwidth product of 1MHz.A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of

1000/7.07 KHz
50 KHz
100 KHz
1000/17 KHz

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