1.

The transistor switch as shown in figure has β = 120, VCE(sat) = 0.2 V, RC = 1.2 kΩ and VCC = 5 V.The output voltage when the transistor switch is closed and the minimum base current needed to close the switch are, respectively:

A. 0.2 V and 3.33 μA
B. 2 V and 3.33 μA
C. 0.2 V 33.3 μA
D. 2 V and 33.3 μA
Answer» D. 2 V and 33.3 μA


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