A.4.2
B.5.2
C.6.2
D.7.2
E.8.2
[单选题]若A(4)=1000,in=0.01n,则A(6)=( )。A.1050B.1113C.1290D.1397E.2163
[单选题]如图所示电路中,已知I1=0.01μA,I2=0.3μA,I5=9.61μA则电流I4等于()A . 0.1μAB . 3.5μAC . 5.51μAD . 9.3μA
[单选题]已知i1=30Sin(100πt十I5°),i2=40Sin(100πt十105°),则i1+i2的初相位是()。A . 90°B . 9°C . 68.l°D . 31.9°
[单选题]如图所示电路中,已知I1=1A,I2=5A,I5=4A,则I4应为()A。A . -10B . -2C . 2D . 10
[问答题] i5机床运行的环境温度是多少?
[判断题]已知(F/P,i,n)=5,F=100万元,则P=150万元。A.对B.错
+(a)_(n)(x)^n. 若点 _(i)(i,(a)_(i))(i=0,1,2) 的位置如图-|||-所示,则 a= __ .-|||-y-|||-4 A2
[单选题]若i1=2i2,n1=n2/2,则当P相同时,( )。A.(F/P,i1,n1)<(F/P,i2,n2)B.(F/P,i1,n1)=(F/P,i2,n2)C.(F/P,i1,n1)>(F/P,i2,n2)D.不能确定(F/P,i1,n1)与(F/P,i2,n2)的大小
[单选题]若i1=2i2,n1=n2/2,则当P相同时,( )。A.(F/P,i1,n1)<(F/P,i2,n2)B.(F/P,i1,n1)=(F/P,i2,n2)C.(F/P,i1,n1)>(F/P,i2,n2)D.不能确定(F/P,i1,n1)与(F/P,i2,n2)的大小
[问答题] 计算题:已知条件如图D-8所示,求R5上的电流I5和总电流I?