Assertion: semiconductor's electron | /r/HasProperty | replaced by new ones
Facets:
value: from a battery
type: OTHER
Source sentences:
text: Because the two parts of the crystal were in contact with each other, the electrons could be pushed out of the conductive side which had extra electrons (soon to be known as the emitter) and replaced by new ones being provided (from a battery, for instance) where they would flow into the insulating portion and be collected by the whisker filament (named the collector).