Define current gairs of a transistor.establish the relation between them
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It is the ratio of collector current to the emitter current on no load and constant voltages. Alpha is always less than unity.
alpha = Ic/Ie
Where,
Ic = Collector current variations
Ie = Emitter current variations
alpha = Ic/Ie
Where,
Ic = Collector current variations
Ie = Emitter current variations
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