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

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

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Analog Electronics
For an NPN transistor in normal bias

  Je is forward biased and Jc is reverse biased.
  only majority carriers cross the collector junction.
  the emitter junction has high resistance.
  only holes cross the collector junction.

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