For transistor, the current ratio ' 
' is defined the ratio of
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Verified by ExpertsThe correct answer is:
B
The current amplification factor of a transistor for direct current (DC) is the ratio of collector current ( 
) to the base current ( 
) in common emitter configuration i.e.,
However, the ratio of collector current to the emitter current gives the value of current amplification factor in common base configuration, i.e.,
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