网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

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


参考答案

更多 “ 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 ” 相关考题
考题 下列等式成立的有()。 A.(F/A,i,n)=(P/F,i,n)X(A/P,i,n)B.(P/F,i,n)=(A/F,i,n)×(P/A,i,n)C.(A/P,i,n)=(F/P,i,n)×(A/F,i,n)D.(A/P,i,n)=(P/F,i,n1)×(A/F,i,n2),n1+n2=nE.(A/F,i,n)=(P/F,i,n)X(A/P,i,n)

考题 若变压器输入电流为i1、输出电流为i2,输入电压为u1,输出电压为u2,原绕组匝数为n1,副绕组匝数为n2,则其之间关系正确的为( )。A.u1/u2=n1/n2=i1/i2B.u2/u1=n1/n2=i2/i1C.u1/u2=n1/n2=i2/i1D.u2/u1=n2/n1=i1/i2

考题 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

考题 在研究某--问题中使用F检验法,如果在显著性水平a=0. 05的水平下,统计量F大于临界值F0.95(n1,n2),则在a =0. 01水平下,可能的结论有( )。 A.F > F0.99(n1,n2) B. F ≤ F0.99(n1,n2) C. F0.99(n1,n2)>F0.95(n1,n2)D. F0.99(n1,n2) 0.95(n1,n2) E. F= F0.99(n1,n2)

考题 1、已知n=n1+n2,则()A.(F/P, i, n) = (F/P, i, n1) + (F/P, i, n2)B.(F/P, i, n) = (F/P, i, n1)×(F/P, i, n2)C.(P/F, i, n) = (P/F, i, n1) + (P/F, i, n2)D.(P/F, i, n) = (P/F, i, n1)×(P/F, i, n2)

考题 对含有k个组分的均相体系的某个容量性质X,可用下列哪一形式的函数关系来描述A.X=f(T,p)B.X=f(T,p,n1,n2,……,nk)C.X=f(n1,n2,……,nk)D.X=f(T,n1,n2,……nk)

考题 已知n=n1+n2,则有(F/P,i,n)=(F/P,i,n1)× (F/P,i,n2)。

考题 已知n=n1+n2,则()A.(F/P, i, n) = (F/P, i, n1) + (F/P, i, n2)B.(F/P, i, n) = (F/P, i, n1)×(F/P, i, n2)C.(P/F, i, n) = (P/F, i, n1) + (P/F, i, n2)D.(P/F, i, n) = (P/F, i, n1)×(P/F, i, n2)

考题 88、若X~F(n1, n2), 则1/X~F(n1, n2)