• 2022-10-27
    180345b1e82486c.png = 1.087V,对原电池[img=268x27]180345b1f359dd4.png[/img][img=225x27]180345b1fdbee76.png[/img],其电动势为
    A: 1.087 V
    B: 1.078 V
    C: 1.057 V
    D: 1.117 V