Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 78

80. The transfer ratio β of a transistor is 50 . The input resistance of the transistor when used in the common emitter configuration is 1kΩ. The peak value of the collector A.C. current for an A.C. input voltage of 0.01V peak is

[1998]

(a) 100μA

(b) 0.01mA

(c) 0.25mA

(d) 500μA

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Answer:

Correct Answer: 80. (d)

Solution:

  1. (d) ic=βVsRin =50×0.011000=500×106A

=500μA



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