Question

.
An npn transistor with C=0.3pF has an unity
gain cutoff frequency f = 400 MHz at bias
current I = 1mA. The value of C is
(A)0.015pF
(B) 0.030pF
(C) 50pF
(D) 96Pf
​

Answer 1

Answer:

A

Explanation:

it is correc of this question