1.

If the transistor in the figure is in saturation than,(a) ic is always equal to βdcib.(b) ic is always to - βdcib.(c) ic is always to βdcidc.(d) ic is less than βdcib.

Answer»

 Correct Option (d) ic is less than βdcib.

Explanation:

For transistor in common emitter mode the relation between collector current and collector emitter voltage is given by vce= vcc-ICRC

cut off

 occurs when Ic= 0 

Saturation

 It occurs when there is no longer a change in collector current for a change in base current

 Active Mode

 In this mode the following relation is valid ic =β Iβ

Thus in saturation the collector current does not increase with base current



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