Analog Electronics
What will be the result if pentavalent impurity is added to pure germanium or silicon ?

 N-type semiconductor
 Intrinsic semiconductor
None of these
 P-type semiconductor

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Analog Electronics
The arrowhead on the transistor symbol points in the direction of

  conventional electric current flow in the emitter region.
  majority carrier flow in the emitter region.
  electron flow in the emitter region.
  minority carrier flow in the emitter region.

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