题目内容:
The alternating current generator supplying a load has a voltage drop resulted from the loadWhen the load has a lagging power factor this voltage drop _____.
A.is small
B.may be neglected
C.is useful
D.is considerable
参考答案:
The alternating current generator supplying a load has a voltage drop resulted from the loadWhen the load has a lagging power factor this voltage drop _____.
A.is small
B.may be neglected
C.is useful
D.is considerable