A.2:1,b→a B.1:2,b→a C.2:1,a→b D.1:2,a→b
A.感應(yīng)電動(dòng)勢(shì)不同,感應(yīng)電流相同 B.感應(yīng)電動(dòng)勢(shì)相同,感應(yīng)電流也相同 C.感應(yīng)電動(dòng)勢(shì)不同,感應(yīng)電流也不同 D.感應(yīng)電動(dòng)勢(shì)相同,感應(yīng)電流不同
A.0.48V B.0.36V C.0.16V D.0.6V
A.35V B.30V C.55V D.50V