有current一定有voltage?

2008-04-21 7:48 am
有current一定有voltage?

有voltage一定有current?

有induced current一定有induced voltage?

有induced voltage一定有induced current?

回答 (1)

2008-04-21 8:39 am
✔ 最佳答案
有current一定有voltage?
有potential difference所以有current

有voltage一定有current?
有potential difference,如果之間無circuit,無current

有induced current一定有induced voltage?
有induced e.m.f.所以有induced current

有induced voltage一定有induced current?
有induced e.m.f.,如果之間無circuit,無induced current


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