Electrical Engineering Mcqs

An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are________?

(A) fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz.

(B) fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz

(C) fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz

(D) fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz

Submitted By: Ali Uppal

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