An npn transistor (with C = 0.3 pF) has a unity gain cut off frequency fT of 4000 MHz at a dc current Ic = 1mA. The value of its Cμ (in pF) is approx. (VT = 26 V)

An npn transistor (with C = 0.3 pF) has a unity gain cut off frequency

1.	An npn transistor (with C = 0.3 pF) has a unity gain cut off frequency fT of 4000 MHz at a dc current Ic = 1mA. The value of its Cμ (in pF) is approx. (VT = 26 V)
A.	1.2
B.	30
C.	50
D.	96
Answer» B. 30