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If the total capacitance between the base and the emitter increases by a factor of 2, the transit frequency __________

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If the total capacitance between the base and the emitter increases by a factor of 2, the transit frequency __________

(a) reduces by 2

(b) increases by 2

(c) reduces by 4

(d) increases by 4

The question was posed to me during a job interview.

Origin of the question is Effect of Various Capacitors on Frequency Response topic in chapter Transistor Frequency Response of Analog Circuits

1 Answer

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Best answer
Correct choice is (a) reduces by 2

Best explanation: The transit frequency is almost inversely proportional to the total capacitance between the base and the emitter of the B.J.T. Hence, the transit frequency will approximately reduce by 2 and the correct option becomes reduces by 2.

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