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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 A.
  3.1 A.
 3.33 mA.
 10 A.

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

  high.
 unknown.
 low.
 unchanged.

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Analog Electronics
The softness factor for soft recovery and fast recovery diodes are respectively

 1, >1.
 1, 1.
  1,

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Analog Electronics
The leakage electric current ICBO flows in

  the base and collector leads.
  the emitter and collector leads.
  the emitter, base and collector leads.
  the emitter and base leads.

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Analog Electronics
The β of a transistor may be determined directly from the curve plotted between

  VBE and IE for constant VCE.
  VCE and IE for constant IB.
  VCE and IC for constant IB.
  VCE and IC for constant IE.

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Analog Electronics
The extremely high input impedance of a MOSFET is primarily due to the

  absence of its channel.
  negative gate-source voltage.
  extremely small leakage electric current of its gate capacitor.
  depletion of electric current carriers.

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