If a transistor has a short circuit current gain of 25 and the capacitance measured in the hybrid-π model of the transistor was 60 pF. Then the threshold frequency of operation of the transistor is:

If a transistor has a short circuit current gain of 25 and the capacit

1.	If a transistor has a short circuit current gain of 25 and the capacitance measured in the hybrid-π model of the transistor was 60 pF. Then the threshold frequency of operation of the transistor is:
A.	60 MHz
B.	45.6 GHz
C.	66.3 GHz
D.	34.8 GHz
Answer» D.