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ANALOG ELECTRONICS

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

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Analog Electronics
The arrow direction in diode symbol indicates

  direction of electron flow.
  none of these.
  direction of hole flow.
  opposite to the direction of hole flow.

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Analog Electronics
The knee voltage (cut in voltage) of silicon diode

  1.0 V.
  0.7 V.
  0.8 V.
  0.2 V.

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

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

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Analog Electronics
Under normal reverse bias voltage applied to diode, the reverse electric current in Si diode

  100 mA.
  none of them.
  1000 micro A.
  order of micro A.

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