13．电源电动势反映了电源把其他形式的能量转化为电能的能力，因此
电源电动势与内阻 · 历年高考物理真题与解析
本页汇总 高考真题检索 的「电源电动势与内阻」高考物理真题共 1 道，覆盖 2016 年，最常出题型为 单选题；含完整答案与解析。
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