For a transistor in common emitter configuration _________ is the ratio of the change in collector current to the change in base current at a constant collecto-emitter voltage (VCE) when the transistor is in active state.

For a transistor in common emitter configuration _________ is the rati

1.	For a transistor in common emitter configuration _________ is the ratio of the change in collector current to the change in base current at a constant collecto-emitter voltage (VCE) when the transistor is in active state.
A.	Current amplification factor
B.	Output resistance
C.	Input resistance
D.	Voltage gain
Answer» B. Output resistance