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Physical electronics devices and ics miscellaneous

Physical Electronics Devices and ICs

  1. If the transistor in figure is in saturation then—


    1. IC is always equal to βdc IB
    2. IC is always equal to – βdc IB
    3. IC is more than or equal to βdc IB
    4. IC is less than or equal to βdc IB
Correct Option: D

The given figure (i.e., fig)
For saturation
IB ≥ IB(min)

or IB
Ic
hFE

or IB
Ic
βdc

or Ic ≤ βdcIB
i.e. Ic is less than or equal to bdc·IB
Hence alternative (D) is the correct choice.



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