三极管的共射输入特性曲线近似为二极管的正向特性曲线( )
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截止区的特征是发射结电压小于开启电压且集电结反向偏置。( )
A. 对
B. 错
对应于不同的基极电流,三极管的输出特性曲线是不同的
A. 对
B. 错
在实际应用中,若晶体管的发射结电压增大时,基极电流增大,但集电极电流基本不变,则说明晶体管进入饱和区。( )
A. 对
B. 错
Mathematical modelling and simulation forms the basis for the analysis and design of engineering systems as a result of ____________.
A. developments in computer technology and related software
B. developments in mathematics
C. engineering mathematics
D. the large number of students to study engineering courses